NITTAN VALVE CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for NITTAN VALVE CO., LTD..The latest application filed is for "cylinder head and engine".
Company Profile
40.119.112
Trademarks
- NITTAN VALVE CO., LTD. - Hadano Kanagawa N/A JP
- NITTAN VALVE CO., LTD. - Hadano JP
- NITTAN VALVE CO., LTD. - Hadano-shi JP
- NITTAN VALVE CO., LTD. - Hadano-shi Kanagawa JP
- NITTAN VALVE CO., LTD. - Kanagawa JP
- NITTAN VALVE CO., LTD. - Handano-shi JP
- Nittan Valve Co., Ltd. - Hadamo-shi JP
- Nittan Valve Co., Ltd. - Hatanoshi Kanagawa JP
- Nittan Valve Co., Ltd. - Kanagawa-ken JP
- Nittan Valve Co., Ltd. - JP JP
- Nittan Valve Co., Ltd. - Tokyo JP
Trademarks
Patent Activity
| Patent | Date |
|---|---|
| Hollow exhaust poppet valve Grant 11,300,018 - Kunitake , et al. April 12, 2 | 2022-04-12 |
| Friction welding method and friction welding apparatus Grant 11,298,776 - Onose April 12, 2 | 2022-04-12 |
| Method of manufacturing engine valve intermediate product with boss portion Grant 11,285,570 - Ichimiya , et al. March 29, 2 | 2022-03-29 |
| Cylinder head and engine Grant 11,143,063 - Lee October 12, 2 | 2021-10-12 |
| Cylinder Head And Engine App 20210285345 - LEE; Tai Hwan | 2021-09-16 |
| Method for Manufacturing Engine Poppet Valve App 20210270154 - KUNITAKE; Koji ; et al. | 2021-09-02 |
| Method of Manufacturing Engine Valve Intermediate Product with Boss Portion App 20210245309 - ICHIMIYA; Atsuyuki ; et al. | 2021-08-12 |
| Reduction Gear App 20210207685 - Kameda; Michihiro ; et al. | 2021-07-08 |
| Mechanical lash adjuster Grant 10,934,897 - Kameda , et al. March 2, 2 | 2021-03-02 |
| Wastegate Valve App 20210017900 - MIKAMI; Maiku | 2021-01-21 |
| Hollow Exhaust Poppet Valve App 20210003044 - KUNITAKE; Koji ; et al. | 2021-01-07 |
| Chuck device Grant 10,799,957 - Okuno October 13, 2 | 2020-10-13 |
| Hollow single-phase induction motor Grant 10,804,780 - Kameda October 13, 2 | 2020-10-13 |
| Multirow Ball Bearing and Manufacturing Method Therefor App 20200240466 - KAMEDA; Michihiro | 2020-07-30 |
| Method for filling with metallic sodium Grant 10,710,153 - Uchida , et al. | 2020-07-14 |
| Wastegate Valve App 20200088093 - Endo; Shigeru | 2020-03-19 |
| Cutting apparatus and cutting blade Grant 10,569,318 - Takahashi , et al. Feb | 2020-02-25 |
| Direct-acting valve lifter of internal combustion engine Grant RE47,823 - Yasuike Ja | 2020-01-21 |
| Method and apparatus for flaw inspection of friction-weld part of stem in engine valve Grant 10,473,622 - Abe , et al. Nov | 2019-11-12 |
| Poppet valve and method for manufacturing same Grant 10,473,002 - Mikami , et al. Nov | 2019-11-12 |
| Torque transmission device Grant 10,451,162 - Furukawa , et al. Oc | 2019-10-22 |
| Mechanical Lash Adjuster App 20190316495 - KAMEDA; Michihiro ; et al. | 2019-10-17 |
| Machining Apparatus, Method For Using Machining Apparatus And Chuck Device App 20190240743 - OKUNO; Takehiro | 2019-08-08 |
| Hydraulic lash adjuster and method for using hydraulic lash adjuster Grant 10,352,203 - Ozawa July 16, 2 | 2019-07-16 |
| Method for purifying metallic sodium Grant 10,316,390 - Uchida , et al. | 2019-06-11 |
| Friction Welding Method and Friction Welding Apparatus App 20190168335 - ONOSE; Ryo | 2019-06-06 |
| Hydraulic lash adjuster Grant 10,301,979 - Kubota | 2019-05-28 |
| Valve Mechanism and Mechanical Lash Adjuster App 20190145287 - KAMEDA; Michihiro ; et al. | 2019-05-16 |
| Assembly of internal combustion engine valve and valve seat Grant 10,287,933 - Ikemi , et al. | 2019-05-14 |
| Highly-viscous substance dispensing method and highly-viscous substance dispensing apparatus Grant 10,252,307 - Homma , et al. | 2019-04-09 |
| Hollow Single-Phase Induction Motor App 20190081541 - KAMEDA; Michihiro | 2019-03-14 |
| Method For Filling With Metallic Sodium App 20190030595 - UCHIDA; Shigeru ; et al. | 2019-01-31 |
| Method of machining screw Grant 10,173,257 - Kameda , et al. J | 2019-01-08 |
| Internal Combustion Engine Component And Producing Method Therefor App 20180298792 - Torii; Hideo ; et al. | 2018-10-18 |
| Highly-viscous Substance Dispensing Method And Highly-viscous Substance Dispensing Apparatus App 20180264530 - HOMMA; Koichi ; et al. | 2018-09-20 |
| Bar material transfer method and conveyor Grant 10,029,298 - Shimizu , et al. July 24, 2 | 2018-07-24 |
| Method and Apparatus for Flaw Inspection of Friction-Weld Part of Stem in Engine Valve App 20180156753 - ABE; Yuichi ; et al. | 2018-06-07 |
| Method For Purifying Metallic Sodium App 20180142324 - UCHIDA; Shigeru ; et al. | 2018-05-24 |
| Cutting Apparatus And Cutting Blade App 20180104730 - TAKAHASHI; Masaharu ; et al. | 2018-04-19 |
| Hollow poppet valve Grant 9,920,663 - Tsuneishi , et al. March 20, 2 | 2018-03-20 |
| Torque Transmission Device App 20180066742 - FURUKAWA; Takuya ; et al. | 2018-03-08 |
| Method Of Machining Screw App 20180050383 - KAMEDA; Michihiro ; et al. | 2018-02-22 |
| Method for supplying inert gas into poppet valve intermediate and apparatus for supplying inert gas into poppet valve intermediate Grant 9,840,948 - Yokoyama , et al. December 12, 2 | 2017-12-12 |
| Hydraulic lash adjuster Grant 9,803,518 - Kubota October 31, 2 | 2017-10-31 |
| Hollow poppet valve Grant 9,790,822 - Tsuneishi , et al. October 17, 2 | 2017-10-17 |
| Method For Supplying Inert Gas Into Poppet Valve Intermediate And Apparatus For Supplying Inert Gas Into Poppet Valve Intermediate App 20170276031 - YOKOYAMA; Hisanaga ; et al. | 2017-09-28 |
| Method of manufacturing a hollow poppet valve Grant 9,751,164 - Ishii , et al. September 5, 2 | 2017-09-05 |
| Hydraulic lash adjuster Grant 9,739,181 - Ozawa August 22, 2 | 2017-08-22 |
| Hydraulic Lash Adjuster And Method For Using Hydraulic Lash Adjuster App 20170218796 - OZAWA; Hiroyuki | 2017-08-03 |
| Poppet Valve And Method For Manufacturing Same App 20170211434 - MIKAMI; Maiku ; et al. | 2017-07-27 |
| Hollow poppet valve Grant 9,689,506 - Homma , et al. June 27, 2 | 2017-06-27 |
| Direct-acting valve lifter of internal combustion engine Grant 9,657,606 - Yasuike May 23, 2 | 2017-05-23 |
| DLC film coating and coated valve lifter Grant 9,657,384 - Kubota , et al. May 23, 2 | 2017-05-23 |
| Hollow poppet valve Grant 9,611,953 - Tsuneishi , et al. April 4, 2 | 2017-04-04 |
| Bar Material Transfer Method And Conveyor App 20170072457 - Shimizu; Takahiro ; et al. | 2017-03-16 |
| Hydraulic Lash Adjuster App 20170044937 - OZAWA; Hiroyuki | 2017-02-16 |
| Hermetically sealed lash adjuster Grant 9,567,877 - Katsumata , et al. February 14, 2 | 2017-02-14 |
| Hydraulic Lash Adjuster App 20160376936 - Kubota; Yukio | 2016-12-29 |
| Hollow Poppet Valve App 20160356186 - Tsuneishi; Osamu ; et al. | 2016-12-08 |
| Poppet Valve App 20160348546 - Kurahashi; Kazunori ; et al. | 2016-12-01 |
| Variable cam phaser for automobile engine and controller therefor Grant 9,494,058 - Kameda , et al. November 15, 2 | 2016-11-15 |
| Assembly Of Internal Combustion Engine Valve And Valve Seat App 20160326919 - IKEMI; Satoshi ; et al. | 2016-11-10 |
| Internal Combustion Engine With Power-generating Member App 20160285392 - Lee; Tai-Hwan ; et al. | 2016-09-29 |
| Internal Combustion Engine With Power-generating Member App 20160276960 - Tai-Hwan; Lee ; et al. | 2016-09-22 |
| Method of friction welding and apparatus of friction welding Grant 9,446,490 - Onose , et al. September 20, 2 | 2016-09-20 |
| Ni-Cr-Co-based alloy having high-temperature corrosion resistance, and poppet valve surface-modified with the same Grant 9,441,287 - Otobe , et al. September 13, 2 | 2016-09-13 |
| Method Of Manufacturing A Hollow Poppet Valve App 20160256965 - Ishii; Kazuhiro ; et al. | 2016-09-08 |
| Direct-action Valve Lifter Of Internal Combustion Engine App 20160243659 - Yasuike; Makoto | 2016-08-25 |
| Method and apparatus for controlling a phase varying apparatus Grant 9,416,689 - Totsuka , et al. August 16, 2 | 2016-08-16 |
| Hydraulic Lash Adjuster App 20160208660 - Kubota; Yukio | 2016-07-21 |
| Poppet valve with a formed seat, and method of making Grant 9,371,915 - Mikami , et al. June 21, 2 | 2016-06-21 |
| Ni--Fe--Cr alloy and engine valve welded with the same alloy Grant 9,340,856 - Otobe , et al. May 17, 2 | 2016-05-17 |
| Workpiece inspection equipment Grant 9,340,372 - Makino , et al. May 17, 2 | 2016-05-17 |
| Machining apparatus and deburring device Grant 9,339,872 - Zenke , et al. May 17, 2 | 2016-05-17 |
| Engine valve Grant 9,334,977 - Yokoyama , et al. May 10, 2 | 2016-05-10 |
| Engine valve forging system Grant 9,283,615 - Kuriyama , et al. March 15, 2 | 2016-03-15 |
| Hollow Poppet Valve App 20160053641 - TSUNEISHI; Osamu ; et al. | 2016-02-25 |
| Clutch, Clutch Forming Punch, And Method Of Manufacturing Clutch App 20160047425 - Hyakutake; Makoto ; et al. | 2016-02-18 |
| Machining Apparatus And Deburring Device App 20160023279 - Zenke; Atsushi ; et al. | 2016-01-28 |
| Dlc Film Coating And Coated Valve Lifter App 20160017477 - Kubota; Yukio ; et al. | 2016-01-21 |
| Method And Apparatus For Controlling A Phase Varying Apparatus App 20150377084 - Totsuka; Takumi ; et al. | 2015-12-31 |
| Hollow Poppet Valve App 20150354727 - TSUNEISHI; Osamu ; et al. | 2015-12-10 |
| Wear-resistant cobalt-based alloy and engine valve coated with same Grant 9,206,319 - Otobe , et al. December 8, 2 | 2015-12-08 |
| High-toughness cobalt-based alloy and engine valve coated with same Grant 9,206,715 - Otobe , et al. December 8, 2 | 2015-12-08 |
| Workpiece Inspection Equipment App 20150329297 - Makino; Yosuke ; et al. | 2015-11-19 |
| Mechanical lash adjuster Grant 9,175,580 - Kubota , et al. November 3, 2 | 2015-11-03 |
| Hollow poppet valve Grant 9,175,788 - Onuma , et al. November 3, 2 | 2015-11-03 |
| Poppet Valve With A Formed Seat, And Method Of Making App 20150300506 - MIKAMI; Maiku ; et al. | 2015-10-22 |
| Poppet valve with a formed seat, and method of making Grant 9,163,734 - Mikami , et al. October 20, 2 | 2015-10-20 |
| Engine Valve App 20150292640 - Yokoyama; Hisanaga ; et al. | 2015-10-15 |
| Ni-Cr-Co-BASED ALLOY HAVING HIGH-TEMPERATURE CORROSION RESISTANCE, AND POPPET VALVE SURFACE-MODIFIED WITH THE SAME App 20150284828 - Otobe; Katsunori ; et al. | 2015-10-08 |
| Bar Material Transfer Method And Conveyor App 20150266084 - Shimizu; Takahiro ; et al. | 2015-09-24 |
| Forging system for forging a valve Grant 9,138,802 - Murata , et al. September 22, 2 | 2015-09-22 |
| Variable Phaser For Automobile Engine App 20150247428 - Nagadoh; Masayasu ; et al. | 2015-09-03 |
| Hollow Poppet Valve App 20150240675 - Homma; Koichi ; et al. | 2015-08-27 |
| Automated heat treatment system for engine valve Grant 9,086,239 - Murata , et al. July 21, 2 | 2015-07-21 |
| Variable cam phaser for automobile engine and controller therefor Grant 9,062,572 - Kameda , et al. June 23, 2 | 2015-06-23 |
| Ni-Fe-Cr ALLOY AND ENGINE VALVE WELDED WITH THE SAME ALLOY App 20150152529 - Otobe; Katsunori ; et al. | 2015-06-04 |
| Method Of Friction Welding And Apparatus Of Friction Welding App 20150136304 - Onose; Ryo ; et al. | 2015-05-21 |
| Phase varying apparatus for automobile engine Grant 9,032,925 - Kameda , et al. May 19, 2 | 2015-05-19 |
| Continuously variable valve lift device Grant 9,027,518 - Kim , et al. May 12, 2 | 2015-05-12 |
| Method of manufacturing a valve for an internal combustion engine Grant 9,015,940 - Kurahashi , et al. April 28, 2 | 2015-04-28 |
| Method of testing air tightness of sealed lash adjuster Grant 8,991,237 - Tanaka March 31, 2 | 2015-03-31 |
| Mechanical Lash Adjuster App 20150075470 - Kubota; Yukio ; et al. | 2015-03-19 |
| Method of manufacturing a valve for an internal combustion engine Grant 8,978,248 - Kurahashi , et al. March 17, 2 | 2015-03-17 |
| Variable Cam Phaser For Automobile Engine And Controller Therefor App 20150068477 - Kameda; Michihiro ; et al. | 2015-03-12 |
| Burring apparatus for friction welding machine Grant 8,960,524 - Okuno , et al. February 24, 2 | 2015-02-24 |
| Method Of Manufacturing A Valve For An Internal Combustion Engine App 20150000130 - Kurahashi; Kazunori ; et al. | 2015-01-01 |
| Forging Press Device For Valve App 20140352389 - Murata; Yorikazu ; et al. | 2014-12-04 |
| Hollow Poppet Valve App 20140352803 - Onuma; Hiroki ; et al. | 2014-12-04 |
| Planetary gear reduction mechanism Grant 8,900,091 - Kubota , et al. December 2, 2 | 2014-12-02 |
| Engine Valve Forging System App 20140345354 - Kuriyama; Hideto ; et al. | 2014-11-27 |
| Method of machining opposite ends of rod members Grant 8,882,566 - Okamura , et al. November 11, 2 | 2014-11-11 |
| Automated Heat Treatment System for Engine Valve App 20140322660 - Murata; Yorikazu ; et al. | 2014-10-30 |
| Method Of Manufacturing A Valve For An Internal Combustion Engine App 20140283384 - Kurahashi; Kazunori ; et al. | 2014-09-25 |
| Method Of Machining Opposite Ends Of Rod Members App 20140227946 - Okamura; Yuji ; et al. | 2014-08-14 |
| Phase Varying Apparatus For Automobile Engine App 20140196677 - Kameda; Michihiro ; et al. | 2014-07-17 |
| Poppet Valve With A Formed Seat, And Method Of Making App 20140191150 - MIKAMI; Maiku ; et al. | 2014-07-10 |
| Phase varying apparatus for automobile engine technical Grant 8,726,867 - Niiro , et al. May 20, 2 | 2014-05-20 |
| Exhaust poppet valve and solution heat treatment method of the same Grant 8,689,761 - Tanaka , et al. April 8, 2 | 2014-04-08 |
| Planetary Gear Reduction Mechanism App 20140031165 - Kubota; Yukio ; et al. | 2014-01-30 |
| Rocker Arm For Valve Control Apparatus App 20140007832 - Sugawara; Ken-ya ; et al. | 2014-01-09 |
| Cam shaft phase variable device in engine for automobile Grant 8,613,266 - Kameda , et al. December 24, 2 | 2013-12-24 |
| Phase variable device for engine Grant 8,522,736 - Niiro September 3, 2 | 2013-09-03 |
| Wear-resistant Cobalt-based Alloy And Engine Valve Coated With Same App 20130221261 - Otobe; Katsunori ; et al. | 2013-08-29 |
| Burring Apparatus For Friction Welding Machine App 20130221070 - Okuno; Takehiro ; et al. | 2013-08-29 |
| Variable Cam Phaser For Automobile Engine And Controller Therefor App 20130206089 - Kameda; Michihiro ; et al. | 2013-08-15 |
| Phase varying device for engine Grant 8,505,508 - Kameda , et al. August 13, 2 | 2013-08-13 |
| Phase Varying Apparatus For Automobile Engine Technical App 20130192552 - Niiro; Masaaki ; et al. | 2013-08-01 |
| Hydraulic lash adjuster for internal combustion engine Grant 8,490,590 - Kubota , et al. July 23, 2 | 2013-07-23 |
| Electromagnetic-clutch rotation stopping structure Grant 8,468,991 - Niiro June 25, 2 | 2013-06-25 |
| Variable Cam Phaser For Automobile Engine App 20130125846 - Kameda; Michihiro ; et al. | 2013-05-23 |
| Variable phase controller for automotive engine Grant 8,418,665 - Kameda , et al. April 16, 2 | 2013-04-16 |
| Phase changing device for automobile engine Grant 8,387,577 - Shiino , et al. March 5, 2 | 2013-03-05 |
| Engine valve controller Grant 8,381,694 - Niiro February 26, 2 | 2013-02-26 |
| Phase variable device in car engine Grant 8,286,602 - Kameda , et al. October 16, 2 | 2012-10-16 |
| Electromagnetic-clutch Rotation Stopping Structure App 20120247912 - Niiro; Masaaki | 2012-10-04 |
| Sealed lash adjuster and seal structure between first and second parts Grant 8,261,710 - Katsumata , et al. September 11, 2 | 2012-09-11 |
| Method Of Testing Air Tightness Of Sealed Lash Adjuster App 20120210773 - Tanaka; Akifumi | 2012-08-23 |
| Hollow poppet valve and method of manufacturing the same Grant 8,230,834 - Endo July 31, 2 | 2012-07-31 |
| Phase Variable Device For Engine App 20120090567 - Niiro; Masaaki | 2012-04-19 |
| Phase varying apparatus for engine Grant 8,151,751 - Shiino , et al. April 10, 2 | 2012-04-10 |
| Phase Varying Device For Engine App 20120073532 - Kameda; Michihiro ; et al. | 2012-03-29 |
| Hydraulic Lash Adjuster For Internal Combustion Engine App 20120042843 - Kubota; Yukio ; et al. | 2012-02-23 |
| Phase Varying Apparatus For Automobile Engine App 20110297114 - Niiro; Masaaki | 2011-12-08 |
| Cam Shaft Phase Variable Device In Engine For Automobile App 20110226202 - Nagado; Masayasu | 2011-09-22 |
| Valve control apparatus for engine Grant 8,001,938 - Kameda , et al. August 23, 2 | 2011-08-23 |
| Cam Shaft Phase Variable Device In Engine For Automobile App 20110192365 - Kameda; Michihiro ; et al. | 2011-08-11 |
| Hollow Poppet Valve And Method Of Manufacturing The Same App 20110186000 - Endo; Hiromitsu | 2011-08-04 |
| Mechanical adjuster Grant 7,954,468 - Kameda , et al. June 7, 2 | 2011-06-07 |
| Exhaust Poppet Valve And Solution Heat Treatment Method Of The Same App 20110126791 - Tanaka; Yasuhito ; et al. | 2011-06-02 |
| Variable Phase Controller For Automotive Engine App 20110036319 - Kameda; Michihiro ; et al. | 2011-02-17 |
| Phase Changing Device For Automobile Engine App 20110000450 - Shiino; Minoru ; et al. | 2011-01-06 |
| Engine Valve Controller App 20100326386 - Niiro; Masaaki | 2010-12-30 |
| Phase Variable Device In Car Engine App 20100313836 - Kameda; Michihiro ; et al. | 2010-12-16 |
| Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster Grant 7,779,805 - Katsumata , et al. August 24, 2 | 2010-08-24 |
| Mechanical Adjuster App 20100050969 - Kameda; Michihiro ; et al. | 2010-03-04 |
| Valve Control Apparatus For Engine App 20100024754 - Kameda; Michihiro ; et al. | 2010-02-04 |
| Phase Varying Apparatus For Engine App 20100000481 - Homma; Koichi ; et al. | 2010-01-07 |
| Coolant-containing Hollow Poppet Valve And Process For Producing The Same App 20090266314 - Uchiyama; Takehiko ; et al. | 2009-10-29 |
| Phase Varying Device Of Engine App 20090260590 - Watanabe; Hiroaki ; et al. | 2009-10-22 |
| Phase Varying Apparatus For Engine App 20090183704 - Shiino; Minoru ; et al. | 2009-07-23 |
| Direct-acting Type Valve Lifter For Internal-combustion Engines App 20090056659 - Nagado; Masayasu ; et al. | 2009-03-05 |
| Electromagnetic brake cooling structure of phase variable device in car engine Grant 6,932,036 - Aino , et al. August 23, 2 | 2005-08-23 |
| Hollow poppet valve and method for manufacturing the same Grant 6,679,478 - Murayama January 20, 2 | 2004-01-20 |
| Hollow poppet valve and the method for manufacturing the same Grant 6,378,543 - Murayama April 30, 2 | 2002-04-30 |
| Method of producing bevel gear Grant 5,718,774 - Tukamoto , et al. February 17, 1 | 1998-02-17 |
| Liquid pressure tensioner Grant 4,963,121 - Himura , et al. October 16, 1 | 1990-10-16 |
| Hydraulic lash adjustor in a valve operating mechanism Grant 4,621,598 - Miura * November 11, 1 | 1986-11-11 |
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