Ashi; Yoshihiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ashi; Yoshihiro.The latest application filed is for "communication system, control apparatus and communication apparatus".
Company Profile
0.89.61
- Ashi; Yoshihiro - Tokyo JP
- Ashi; Yoshihiro - Yokohama JP
- Ashi; Yoshihiro - Yokohama-shi JP
- Ashi; Yoshihiro - Kanagawa JP
Patent Activity
| Patent | Date |
|---|---|
| Data transport system, transmission method, and transport apparatus Grant 9,491,000 - Takahashi , et al. November 8, 2 | 2016-11-08 |
| Communication system and time synchronization method Grant 9,407,389 - Mizutani , et al. August 2, 2 | 2016-08-02 |
| Communication system, path switching method and communication device Grant 9,385,944 - Takase , et al. July 5, 2 | 2016-07-05 |
| Communication system and its device Grant 9,379,877 - Mizutani , et al. June 28, 2 | 2016-06-28 |
| Transmission network system, transmission method, and authentication information device Grant 9,350,746 - Fujioka , et al. May 24, 2 | 2016-05-24 |
| Communication System, Control Apparatus And Communication Apparatus App 20160021005 - KIYOSE; Takeshi ; et al. | 2016-01-21 |
| Network system and communication device Grant 9,112,927 - Takahashi , et al. August 18, 2 | 2015-08-18 |
| Communication system and communication device Grant 9,083,602 - Endo , et al. July 14, 2 | 2015-07-14 |
| Transmission Network And Transmission Network Management System App 20150103643 - FUJIOKA; SHINYA ; et al. | 2015-04-16 |
| Shelf of a network synchronization device, and network synchronization device Grant 8,995,471 - Yamamoto , et al. March 31, 2 | 2015-03-31 |
| Communication System And Time Synchronization Method App 20150085852 - MIZUTANI; Masahiko ; et al. | 2015-03-26 |
| Packet transfer apparatus Grant 8,948,201 - Takase , et al. February 3, 2 | 2015-02-03 |
| Data Transport System, Transmission Method, And Transport Apparatus App 20150010009 - TAKAHASHI; Kiyotaka ; et al. | 2015-01-08 |
| Apparatus and method for identifier management Grant 8,886,913 - Fujihira , et al. November 11, 2 | 2014-11-11 |
| Network system and communication device Grant 8,817,794 - Takahashi , et al. August 26, 2 | 2014-08-26 |
| Transmission Network System, Transmission Method, And Authentication Information Device App 20140215566 - FUJIOKA; Shinya ; et al. | 2014-07-31 |
| Communication System, Path Switching Method And Communication Device App 20140185429 - TAKASE; Masayuki ; et al. | 2014-07-03 |
| Communication System, Communication Path Establishing Method And Management Server App 20140185607 - MASHIMO; Daisuke ; et al. | 2014-07-03 |
| Method For Monitoring Connectivity By Means Of Subscriber Terminal Device, And Control Method Therefor App 20140098676 - Tsuchiya; Akihiko ; et al. | 2014-04-10 |
| Network System, Transmission Device, And Fault Information Delivery Method App 20140086040 - TAKAHASHI; Kiyotaka ; et al. | 2014-03-27 |
| Network system, edge node, and access device Grant 8,675,506 - Takase , et al. March 18, 2 | 2014-03-18 |
| Transfer apparatus, transfer network system, and transfer method Grant 8,667,058 - Fujioka , et al. March 4, 2 | 2014-03-04 |
| System apparatus and method for interconnecting TDM and frame/packet communication networks Grant 8,654,766 - Mizutani , et al. February 18, 2 | 2014-02-18 |
| Packet Transfer Apparatus App 20140036923 - TAKASE; Masayuki ; et al. | 2014-02-06 |
| Transmission device with function of packetizing and transmitting Grant 8,634,426 - Nogi , et al. January 21, 2 | 2014-01-21 |
| Network System And Communication Device App 20130315251 - TAKAHASHI; KIYOTAKA ; et al. | 2013-11-28 |
| Packet transfer apparatus Grant 8,588,251 - Takase , et al. November 19, 2 | 2013-11-19 |
| Communication system, subscriber accommodating apparatus and communication method Grant 8,554,075 - Mizutani , et al. October 8, 2 | 2013-10-08 |
| Packet transfer device and packet transfer method Grant 8,503,325 - Watanabe , et al. August 6, 2 | 2013-08-06 |
| Transmission Network And Transmission Network Management System App 20130182559 - Fujioka; Shinya ; et al. | 2013-07-18 |
| Packet transfer apparatus and packet transfer method Grant 8,457,012 - Endo , et al. June 4, 2 | 2013-06-04 |
| Communication System And Its Device App 20130077633 - Mizutani; Masahiko ; et al. | 2013-03-28 |
| Optical communication system Grant 8,374,504 - Mizutani , et al. February 12, 2 | 2013-02-12 |
| Transfer Apparatus, Transfer Network System, And Transfer Method App 20120331043 - FUJIOKA; Shinya ; et al. | 2012-12-27 |
| Passive optical network (PON) system Grant 8,331,400 - Mizutani , et al. December 11, 2 | 2012-12-11 |
| Apparatus and Method for Identifier Management App 20120294307 - FUJIHIRA; Kenji ; et al. | 2012-11-22 |
| Network system and data transfer device Grant 8,305,907 - Mizutani , et al. November 6, 2 | 2012-11-06 |
| Shelf Of A Network Synchronization Device, And Network Synchronization Device App 20120275473 - YAMAMOTO; Nobuyuki ; et al. | 2012-11-01 |
| Optical access system Grant 8,290,369 - Sakamoto , et al. October 16, 2 | 2012-10-16 |
| Network System and Communication Device App 20120243543 - Takahashi; Kiyotaka ; et al. | 2012-09-27 |
| Communication System And Communication Device App 20120236866 - Endo; Hideki ; et al. | 2012-09-20 |
| Method Of Connectivity Monitoring By Subscriber Line Terminating Apparatus App 20120224488 - NIIBE; Masao ; et al. | 2012-09-06 |
| System Apparatus and Method for Interconnecting TDM and Frame/Packet Communication Networks App 20120219006 - MIZUTANI; Masahiko ; et al. | 2012-08-30 |
| Passive optical network system and fault determination method Grant 8,254,780 - Mizutani , et al. August 28, 2 | 2012-08-28 |
| Optical communication system using WDMA and CDMA Grant 8,224,135 - Mizutani , et al. July 17, 2 | 2012-07-17 |
| Bit synchronization circuit with phase tracking function Grant 8,204,168 - Yajima , et al. June 19, 2 | 2012-06-19 |
| System apparatus and method for interconnecting TDM and frame/packet communication networks Grant 8,189,571 - Mizutani , et al. May 29, 2 | 2012-05-29 |
| Packet Transfer Device And Packet Transfer Method App 20120127877 - WATANABE; Kazuhiro ; et al. | 2012-05-24 |
| Network system and node Grant 8,169,895 - Takase , et al. May 1, 2 | 2012-05-01 |
| Transmission Device App 20120027023 - Nogi; Yoshio ; et al. | 2012-02-02 |
| PON system Grant 8,098,678 - Endo , et al. January 17, 2 | 2012-01-17 |
| Multicast path management and protection Grant 8,089,865 - Mizutani , et al. January 3, 2 | 2012-01-03 |
| Communication System, Subscriber Accommodating Apparatus And Communication Method App 20110268435 - Mizutani; Masahiko ; et al. | 2011-11-03 |
| PON system and optical network unit Grant 7,962,037 - Mizutani , et al. June 14, 2 | 2011-06-14 |
| Packet transfer apparatus App 20110096794 - Takase; Masayuki ; et al. | 2011-04-28 |
| Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm Grant 7,908,390 - Takase , et al. March 15, 2 | 2011-03-15 |
| Packet transfer apparatus Grant 7,876,778 - Takase , et al. January 25, 2 | 2011-01-25 |
| Network System App 20100226244 - Mizutani; Masahiko ; et al. | 2010-09-09 |
| Optical access system Grant 7,773,880 - Sakamoto , et al. August 10, 2 | 2010-08-10 |
| Optical Communication System Using Wdma And Cdma App 20100158527 - Mizutani; Masahiko ; et al. | 2010-06-24 |
| Passive optical network (PON) system App 20100150554 - Mizutani; Masahiko ; et al. | 2010-06-17 |
| Optical Communication System App 20100086304 - Mizutani; Masahiko ; et al. | 2010-04-08 |
| Pon System And Optical Network Unit App 20100067910 - Mizutani; Masahiko ; et al. | 2010-03-18 |
| Passive optical network system and fault determination method App 20100067901 - Mizutani; Masahiko ; et al. | 2010-03-18 |
| Passive optical network (PON) system Grant 7,675,936 - Mizutani , et al. March 9, 2 | 2010-03-09 |
| Optical communication system using WDMA and CDMA Grant 7,676,127 - Mizutani , et al. March 9, 2 | 2010-03-09 |
| Pon System App 20100021161 - Endo; Hideki ; et al. | 2010-01-28 |
| PON system and optical network unit Grant 7,630,637 - Mizutani , et al. December 8, 2 | 2009-12-08 |
| Communication system, master communication device, and slave communication device Grant 7,620,074 - Yasuda , et al. November 17, 2 | 2009-11-17 |
| Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatuses Grant 7,620,325 - Mizutani , et al. November 17, 2 | 2009-11-17 |
| Shaping apparatus, communication node and flow control method for controlling bandwidth of variable length frames Grant 7,616,567 - Shinagawa , et al. November 10, 2 | 2009-11-10 |
| PON system Grant 7,602,800 - Endo , et al. October 13, 2 | 2009-10-13 |
| Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm App 20090210553 - Takase; Masayuki ; et al. | 2009-08-20 |
| Network System and Data Transfer Device App 20090201819 - Mizutani; Masahiko ; et al. | 2009-08-13 |
| Network System, Edge Node, and Access Device App 20090161573 - TAKASE; Masayuki ; et al. | 2009-06-25 |
| Optical access system App 20090162055 - Sakamoto; Kenichi ; et al. | 2009-06-25 |
| Bit Synchronization Circuit With Phase Tracking Function App 20090123160 - YAJIMA; Yusuke ; et al. | 2009-05-14 |
| Communication System and Its Device App 20090067850 - MIZUTANI; Masahiko ; et al. | 2009-03-12 |
| Bit synchronization circuit with phase tracking function Grant 7,483,506 - Yajima , et al. January 27, 2 | 2009-01-27 |
| Packet transfer apparatus App 20090016378 - Takase; Masayuki ; et al. | 2009-01-15 |
| Packet transfer apparatus and packet transfer method App 20090016366 - Endo; Hideki ; et al. | 2009-01-15 |
| Optical Communication System Using Wdma And Cdma App 20080304828 - Mizutani; Masahiko ; et al. | 2008-12-11 |
| Optical access system App 20080181604 - Sakamoto; Kenichi ; et al. | 2008-07-31 |
| Optical access system Grant 7,369,768 - Sakamoto , et al. May 6, 2 | 2008-05-06 |
| PON system and Optical Network Unit App 20070264017 - Mizutani; Masahiko ; et al. | 2007-11-15 |
| Optical transmission system constructing method and system Grant 7,292,785 - Tomooka , et al. November 6, 2 | 2007-11-06 |
| Network system and node App 20070242604 - Takase; Masayuki ; et al. | 2007-10-18 |
| PON system App 20070237177 - Endo; Hideki ; et al. | 2007-10-11 |
| Passive optical network (PON) system App 20070223490 - Mizutani; Masahiko ; et al. | 2007-09-27 |
| Communication system, master communication device, and slave communication device App 20070086487 - Yasuda; Takeshi ; et al. | 2007-04-19 |
| Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatuses App 20070064731 - Mizutani; Masahiko ; et al. | 2007-03-22 |
| System apparatus and method for interconnecting TDM and frame/packet communication networks App 20070053369 - Mizutani; Masahiko ; et al. | 2007-03-08 |
| Optical transmission system constructing method and system App 20070053687 - Tomooka; Keiji ; et al. | 2007-03-08 |
| Bit synchronization circuit with phase tracking function App 20070030937 - Yajima; Yusuke ; et al. | 2007-02-08 |
| Optical access system App 20070025735 - Sakamoto; Kenichi ; et al. | 2007-02-01 |
| Optical transmission system constructing method and system Grant 7,167,652 - Tomooka , et al. January 23, 2 | 2007-01-23 |
| ATM communication apparatus and bandwidth control method of the same Grant 7,164,682 - Iwamura , et al. January 16, 2 | 2007-01-16 |
| Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm App 20060268719 - Takase; Masayuki ; et al. | 2006-11-30 |
| ATM communication apparatus and bandwidth control method of the same App 20060153234 - Iwamura; Atsushi ; et al. | 2006-07-13 |
| Communication network system and method for synchronously controlling path connection Grant 7,035,264 - Seki , et al. April 25, 2 | 2006-04-25 |
| ATM communication apparatus and ATM cell forwarding control method Grant 6,987,733 - Mukouyama , et al. January 17, 2 | 2006-01-17 |
| Shaping apparatus, communication node and flow control method for controlling bandwidth of variable length frames App 20050259578 - Shinagawa, Taishi ; et al. | 2005-11-24 |
| Multiplex conversion unit Grant 6,876,624 - Fujita , et al. April 5, 2 | 2005-04-05 |
| Communication network system and method for synchronously controlling path connection App 20040213247 - Seki, Takashi ; et al. | 2004-10-28 |
| ATM communication apparatus and ATM cell forwarding control method App 20040202169 - Mukouyama, Hiroyuki ; et al. | 2004-10-14 |
| Optical transmission system constructing method and system App 20040161189 - Tomooka, Keiji ; et al. | 2004-08-19 |
| Optical transmission system constructing method and system Grant 6,728,489 - Tomooka , et al. April 27, 2 | 2004-04-27 |
| Optical transmission system constructing method and system App 20020024699 - Tomooka, Keiji ; et al. | 2002-02-28 |
| ATM communication apparatus and bandwidth control method of the same App 20010028631 - Iwamura, Atsushi ; et al. | 2001-10-11 |
| Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signal Grant 6,266,169 - Tomooka , et al. July 24, 2 | 2001-07-24 |
| Path switching method, path switching apparatus and nodes of UPSR Grant 6,205,562 - Fukushima , et al. March 20, 2 | 2001-03-20 |
| Optical wavelength multiplexing system Grant 6,005,699 - Tomooka , et al. December 21, 1 | 1999-12-21 |
| Configuration method of multiplex conversion unit and multiplex conversion unit Grant 5,896,387 - Fujita , et al. April 20, 1 | 1999-04-20 |
| Optical multiplex transmission equipment and method Grant 5,861,972 - Tomooka , et al. January 19, 1 | 1999-01-19 |
| Self-healing ring switch and method of controlling the same Grant 5,815,489 - Takatori , et al. September 29, 1 | 1998-09-29 |
| Cell multiplexer having cell delineation function Grant 5,768,274 - Murakami , et al. June 16, 1 | 1998-06-16 |
| Optical transmission system constructing method and system Grant 5,739,932 - Tomooka , et al. April 14, 1 | 1998-04-14 |
| Control method and apparatus for path switching in ring network Grant 5,721,727 - Ashi , et al. February 24, 1 | 1998-02-24 |
| Self-healing ring switch and method of controlling the same Grant 5,600,631 - Takatori , et al. February 4, 1 | 1997-02-04 |
| Method of processing inclusively STM signals and ATM signals and switching system employing the same Grant 5,577,037 - Takatori , et al. November 19, 1 | 1996-11-19 |
| Cell multiplexer having cell delineation function Grant 5,570,368 - Murakami , et al. October 29, 1 | 1996-10-29 |
| ATM switch and control method thereof Grant 5,557,621 - Nakano , et al. September 17, 1 | 1996-09-17 |
| Optical transmission system constructing method and system Grant 5,555,477 - Tomooka , et al. September 10, 1 | 1996-09-10 |
| Failure restoration method in a mesh network Grant 5,550,805 - Takatori , et al. August 27, 1 | 1996-08-27 |
| Optical fiber transmission system and supervision method of the same Grant 5,500,756 - Tsushima , et al. March 19, 1 | 1996-03-19 |
| Switch for self-healing ring Grant 5,475,676 - Takatori , et al. December 12, 1 | 1995-12-12 |
| Routing method and apparatus for switching between routing and conversion tables based on selection information included in cells to be routed Grant 5,473,598 - Takatori , et al. December 5, 1 | 1995-12-05 |
| Shared buffer memory type ATM communication system and method with a broadcast facility Grant 5,394,397 - Yanagi , et al. February 28, 1 | 1995-02-28 |
| High throughput supervisory system for ATM switching systems transporting STM-N signals Grant 5,359,600 - Ueda , et al. October 25, 1 | 1994-10-25 |
| Method of controlling a frame phase of a time-division switch and frame phase variable time-division switch Grant 5,351,238 - Ashi , et al. September 27, 1 | 1994-09-27 |
| Method and apparatus for frame phase conversion of signal having frame structure Grant 5,331,639 - Takatori , et al. July 19, 1 | 1994-07-19 |
| System switching method and apparatus without loss of signal in cell switching system of asynchronous transfer mode Grant 5,283,782 - Takase , et al. February 1, 1 | 1994-02-01 |
| ATM switch and ATM multiplexer Grant 5,189,668 - Takatori , et al. February 23, 1 | 1993-02-23 |
| Coded mark inversion block synchronization circuit Grant 5,038,351 - Sakai , et al. August 6, 1 | 1991-08-06 |
| Add drop multiplexer Grant 5,018,135 - Ashi , et al. May 21, 1 | 1991-05-21 |
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