Yamaguchi; Masakazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamaguchi; Masakazu.The latest application filed is for "document classifying device".
Company Profile
4.42.39
- Yamaguchi; Masakazu - Sumida-ku JP
- Yamaguchi; Masakazu - Kanagawa JP
- Yamaguchi; Masakazu - Kawasaki JP
- YAMAGUCHI; MASAKAZU - Aichi JP
- Yamaguchi; Masakazu - Tokyo N/A JP
- Yamaguchi; Masakazu - Kanagawa-ken JP
- Yamaguchi; Masakazu - Kyoto JP
- Yamaguchi; Masakazu - Kawasaki-shi JP
- Yamaguchi; Masakazu - Nagoya JP
Patent Activity
| Patent | Date |
|---|---|
| Document classifying device Grant 10,984,344 - Yamaguchi , et al. April 20, 2 | 2021-04-20 |
| Document Classifying Device App 20200279189 - YAMAGUCHI; Masakazu ; et al. | 2020-09-03 |
| Semiconductor device with super junction region Grant RE47,641 - Yamaguchi , et al. O | 2019-10-08 |
| Power semiconductor device Grant RE47,198 - Yamaguchi , et al. J | 2019-01-08 |
| Stroboscopic Device And Image Pickup Device Provided With Same App 20150355529 - YAMAGUCHI; MASAKAZU ; et al. | 2015-12-10 |
| Hair evaluation method and system Grant 8,484,155 - Yamaguchi , et al. July 9, 2 | 2013-07-09 |
| Hair Frizziness Reducing Agent App 20130125915 - NAGASE; Shinobu ; et al. | 2013-05-23 |
| Dyeing Or Bleaching Kit App 20120305416 - Miyabe; Hajime ; et al. | 2012-12-06 |
| Semiconductor device Grant 8,319,314 - Ogura , et al. November 27, 2 | 2012-11-27 |
| Semiconductor Device App 20110101417 - OGURA; Tsuneo ; et al. | 2011-05-05 |
| Non-oxidative hair dye composition Grant 7,896,932 - Fukuhara , et al. March 1, 2 | 2011-03-01 |
| Hair dye composition Grant 7,896,931 - Yamaguchi , et al. March 1, 2 | 2011-03-01 |
| Non-oxidative Hair Dye Composition App 20100218320 - Fukuhara; Masaki ; et al. | 2010-09-02 |
| Power semiconductor device with a plurality of gate electrodes Grant 7,772,641 - Omura , et al. August 10, 2 | 2010-08-10 |
| Hair Dye Composition App 20100146716 - Yamaguchi; Masakazu ; et al. | 2010-06-17 |
| Hair Evaluation Method And System App 20100106679 - Yamaguchi; Masakazu ; et al. | 2010-04-29 |
| Hair Frizziness Reducing Agent App 20100092415 - Nagase; Shinobu ; et al. | 2010-04-15 |
| Fluorescent Lamp, And Light Emitting Device And Display Device Using Fluorescent Lamp App 20100027244 - Wada; Hideki ; et al. | 2010-02-04 |
| Hair dye composition Grant 7,651,538 - Yamaguchi , et al. January 26, 2 | 2010-01-26 |
| Power semiconductor device Grant 7,518,197 - Yamaguchi April 14, 2 | 2009-04-14 |
| Hair Dye Composition App 20090056038 - Yamaguchi; Masakazu ; et al. | 2009-03-05 |
| Semiconductor device Grant 7,492,031 - Sugiyama , et al. February 17, 2 | 2009-02-17 |
| Semiconductor Device App 20090039386 - OGURA; Tsuneo ; et al. | 2009-02-12 |
| Hair dye composition Grant 7,476,261 - Yamaguchi , et al. January 13, 2 | 2009-01-13 |
| Semiconductor device Grant 7,456,487 - Ogura , et al. November 25, 2 | 2008-11-25 |
| Hair Dye Composition App 20080134448 - Yamaguchi; Masakazu ; et al. | 2008-06-12 |
| Power semiconductor device Grant 7,361,954 - Sugiyama , et al. April 22, 2 | 2008-04-22 |
| Semiconductor Device App 20080035992 - KAWAGUCHI; Yusuke ; et al. | 2008-02-14 |
| Power semiconductor device Grant 7,319,257 - Yamaguchi , et al. January 15, 2 | 2008-01-15 |
| Power Semiconductor Device, Method For Manufacturing Same, And Method For Driving Same App 20070210350 - Omura; Ichiro ; et al. | 2007-09-13 |
| Semiconductor device and method of manufacturing the same Grant 7,238,576 - Yamaguchi , et al. July 3, 2 | 2007-07-03 |
| Power Semiconductor Device App 20070114570 - Yamaguchi; Masakazu ; et al. | 2007-05-24 |
| Power semiconductor device Grant 7,170,106 - Yamaguchi , et al. January 30, 2 | 2007-01-30 |
| Power Semiconductor Device App 20070018242 - SUGIYAMA; Koichi ; et al. | 2007-01-25 |
| Power semiconductor device App 20060278925 - Yamaguchi; Masakazu | 2006-12-14 |
| Power semiconductor device App 20060237786 - Ninomiya; Hideaki ; et al. | 2006-10-26 |
| Method of manufacturing semiconductor device Grant 7,115,475 - Yamaguchi , et al. October 3, 2 | 2006-10-03 |
| Semiconductor device App 20060202308 - Sugiyama; Koichi ; et al. | 2006-09-14 |
| Power semiconductor device Grant 7,078,740 - Yamaguchi , et al. July 18, 2 | 2006-07-18 |
| Semiconductor device Grant 7,075,168 - Sugiyama , et al. July 11, 2 | 2006-07-11 |
| Semiconductor device having vertical metal insulator semiconductor transistors having plural spatially overlapping regions of different conductivity type App 20060145290 - Okumura; Hideki ; et al. | 2006-07-06 |
| Semiconductor device having vertical metal insulator semiconductor transistors having plural spatially overlapping regions of different conductivity type Grant 6,995,426 - Okumura , et al. February 7, 2 | 2006-02-07 |
| Power semiconductor device App 20060006409 - Yamaguchi; Masakazu ; et al. | 2006-01-12 |
| Semiconductor device App 20050263852 - Ogura, Tsuneo ; et al. | 2005-12-01 |
| Power semiconductor device Grant 6,936,893 - Tanaka , et al. August 30, 2 | 2005-08-30 |
| Semiconductor device App 20050161768 - Sugiyama, Koichi ; et al. | 2005-07-28 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Grant 6,921,687 - Hattori , et al. July 26, 2 | 2005-07-26 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Grant 6,894,347 - Hattori , et al. May 17, 2 | 2005-05-17 |
| Semiconductor device and method of manufacturing semiconductor device App 20050098826 - Yamaguchi, Masakazu ; et al. | 2005-05-12 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same App 20050062064 - Hattori, Hidetaka ; et al. | 2005-03-24 |
| Semiconductor device with super junction region Grant 6,844,592 - Yamaguchi , et al. January 18, 2 | 2005-01-18 |
| Power semiconductor device App 20040238884 - Tanaka, Masahiro ; et al. | 2004-12-02 |
| Power semiconductor device Grant 6,809,349 - Yamaguchi , et al. October 26, 2 | 2004-10-26 |
| Power semiconductor device App 20040207009 - Yamaguchi, Masakazu ; et al. | 2004-10-21 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same App 20040089886 - Hattori, Hidetaka ; et al. | 2004-05-13 |
| Power Semiconductor Device App 20040084722 - Yamaguchi, Masakazu ; et al. | 2004-05-06 |
| Semiconductor device and method of manufacturing the same App 20040043565 - Yamaguchi, Masakazu ; et al. | 2004-03-04 |
| Power semiconductor device having RESURF layer Grant 6,693,338 - Saitoh , et al. February 17, 2 | 2004-02-17 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Grant 6,670,658 - Hattori , et al. December 30, 2 | 2003-12-30 |
| Semiconductor device and method of manufacturing semiconductor device App 20030222327 - Yamaguchi, Masakazu ; et al. | 2003-12-04 |
| Semiconductor device having vertical metal insulator semiconductor transistor and method of manufacturing the same App 20030122222 - Okumura, Hideki ; et al. | 2003-07-03 |
| Treatment composition for dyed hair Grant 6,569,412 - Yamaguchi , et al. May 27, 2 | 2003-05-27 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same App 20030089966 - Hattori, Hidetaka ; et al. | 2003-05-15 |
| Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Grant 6,495,871 - Hattori , et al. December 17, 2 | 2002-12-17 |
| Power semiconductor device having RESURF layer App 20020185705 - Saitoh, Wataru ; et al. | 2002-12-12 |
| Power semiconductor device App 20020038887 - Ninomiya, Hideaki ; et al. | 2002-04-04 |
| Power transistor App 20010035565 - Yamaguchi, Masakazu | 2001-11-01 |
| Power semiconductor element capabale of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same App 20010026977 - Hattori, Hidetaka ; et al. | 2001-10-04 |
| Treatment composition for dyed hair App 20010007160 - Yamaguchi, Masakazu ; et al. | 2001-07-12 |
| Semiconductor device Grant 6,114,727 - Ogura , et al. September 5, 2 | 2000-09-05 |
| Power supply circuit Grant 6,111,454 - Shinohe , et al. August 29, 2 | 2000-08-29 |
| High voltage semiconductor power device Grant 6,054,748 - Tsukuda , et al. April 25, 2 | 2000-04-25 |
| Driving circuit for driving a semiconductor device at high speed and method of operating the same Grant 5,910,738 - Shinohe , et al. June 8, 1 | 1999-06-08 |
| Power semiconductor device Grant 5,554,862 - Omura , et al. September 10, 1 | 1996-09-10 |
| Insulated-gate thyristor Grant 5,464,994 - Shinohe , et al. November 7, 1 | 1995-11-07 |
| Insulated-gate thyristor Grant 5,381,026 - Shinohe , et al. January 10, 1 | 1995-01-10 |
| Automatic control of image pick-up position of object Grant 5,371,536 - Yamaguchi December 6, 1 | 1994-12-06 |
| Spindle apparatus for supporting and rotating a workpiece Grant 5,303,511 - Tsuchiya , et al. April 19, 1 | 1994-04-19 |
| Television conference system Grant 5,206,721 - Ashida , et al. April 27, 1 | 1993-04-27 |
| Image superimposing apparatus having limited memory requirement Grant 5,130,801 - Yamaguchi July 14, 1 | 1992-07-14 |
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