MH

Masashi Hattori

AC Aisin Aw Co.: 37 patents #16 of 2,011Top 1%
TO Toyota: 8 patents #3,629 of 26,838Top 15%
AC Aiphone Co.: 6 patents #5 of 52Top 10%
HB Hgst Netherlands, B.V.: 6 patents #124 of 972Top 15%
TC Taiyo Yuden Co.: 6 patents #213 of 959Top 25%
JT Jtekt: 5 patents #340 of 1,969Top 20%
TC Toppan Printing Co.: 3 patents #268 of 1,467Top 20%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
AI Aisin-Warner: 2 patents #50 of 98Top 55%
TC Toyooki Kogyo Co.: 2 patents #9 of 46Top 20%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
AC Aishin Aw Co.: 2 patents #10 of 45Top 25%
AI Aisin: 2 patents #158 of 1,000Top 20%
FL Fujitsu Client Computing Limited: 1 patents #29 of 83Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
ET Epson Toyocom: 1 patents #38 of 102Top 40%
TO Toppan: 1 patents #51 of 177Top 30%
HG HGST: 1 patents #1,032 of 1,677Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KR Kabushikikaisha Equos Research: 1 patents #52 of 103Top 55%
Overall (All Time): #22,963 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 51–75 of 79 patents

Patent #TitleCo-InventorsDate
5846152 Continuously variable transmission Takao Taniguchi, Shoichi Miyagawa, Kazumasa Tsukamoto, Shiro Sakakibara, Takeshi Inuzuka +1 more 1998-12-08
5846155 Vehicular drive unit Takao Taniguchi, Shoichi Miyagawa, Kazumasa Tsukamoto, Shigeo Tsuzuki, Satoru Tanaka +2 more 1998-12-08
5833571 Continuously variable transmission Kazumasa Tsukamoto, Takeshi Inuzuka 1998-11-10
5833573 Speed change control system for automatic transmission Takeshi Inuzuka, Kenichi Sato 1998-11-10
5813933 Continuously variable transmission with bias springs on the drive and driven pulleys for setting a predetermined speed ratio when the cut is in neutral Kazumasa Tsukamoto, Takeshi Inuzuka, Takashi Furuya 1998-09-29
5788600 Continuously variable transmission Kazumasa Tsukamoto, Takeshi Inuzuka 1998-08-04
5768944 Vehicular automatic transmission shift device Takeshi Inuzuka, Tsutae Takeda, Akihiro Seki, Junichi Kurosaki, Masahiro Yamaguchi +1 more 1998-06-23
5771478 Vehicle drive system with electrical power regeneration Kazumasa Tsukamoto, Takeshi Inuzuka, Takuji Taniguchi, Haruki Takemoto, Kozo Yamaguchi 1998-06-23
5690576 Continuously variable transmission with control of switching between forward and reverse Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Shiro Sakakibara, Kazumasa Tsukamoto +1 more 1997-11-25
5683327 First and second hysteresis zones for shift and lock-up control system in an automatic transmission Takeshi Inuzuka, Yoshito Takeshita 1997-11-04
5669846 Continuously variable transmission with control of switching between a high mode and a low mode Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Shiro Sakakibara, Kazumasa Tsukamoto +1 more 1997-09-23
5662547 Continuously variable transmission Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Shiro Sakakibara, Kazumasa Tsukamoto +1 more 1997-09-02
5505670 Automatic transmission Takeshi Inuzuka, Yasuo Hojo, Kunihiro Iwatsuki, Shinji Kasuga 1996-04-09
5501642 Shift control system for vehicular automatic transmission Takeshi Inuzuka, Masato Kaigawa, Yasuo Hojo, Atsushi Tabata, Kenji Shirai 1996-03-26
5460577 Automatic transmission Shuzo Moroto, Takeshi Inuzuka, Yutaka Taga, Yasuo Hojo, Atsushi Tabata +1 more 1995-10-24
5415056 Shift control system for manually shiftable automatic transmission Atsushi Tabata, Yasuo Hojo, Takayuki Okada, Masato Kaigawa, Yutaka Taga +6 more 1995-05-16
5393275 Shift control system for manually shiftable automatic transmission Takayuki Okada, Yutaka Taga, Yasuo Hojo, Atsushi Tabata, Masato Kaigawa +3 more 1995-02-28
5357820 Shift control system for automatic vehicle transmission Shuzo Moroto, Takeshi Inuzuka 1994-10-25
5249478 Shift system having a manual speed selecting mechanism for a vehicular automatic transmission Shuzo Moroto, Shigekazu Ohara 1993-10-05
5179867 Automatic transmission for vehicle Shiro Sakakibara, Takeshi Inuzuka, Hironari Fukatsu, Shinichi Takaki 1993-01-19
5094652 Belt driven continuously variable transmission Shiro Sakakibara, Masahiro Hasebe, Shigekazu Ohara 1992-03-10
5080639 Variable transmission Shiro Sakakibara, Masahiro Hasebe, Shigekazu Ohara 1992-01-14
5057061 Continuously variable speed transmission Shiro Sakakibara, Masahiro Hasebe, Akihiro Kuroyanagi 1991-10-15
5024638 Actuator for a frictional engaging device Shiro Sakakibara, Masahiro Hasebe 1991-06-18
4973288 Belt drive continuously variable speed transmission Shiro Sakakibara, Masahiro Hasebe 1990-11-27