YH

Yasuo Hojo

TO Toyota: 69 patents #78 of 26,838Top 1%
AC Aisin Aw Co.: 33 patents #22 of 2,011Top 2%
AC Aishin Aw Co.: 5 patents #1 of 45Top 3%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
NO Nok: 1 patents #382 of 725Top 55%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
Overall (All Time): #23,365 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 26–50 of 79 patents

Patent #TitleCo-InventorsDate
6093263 Soft nitrided gear and method of fabricating the same Keizo Kobayashi, Kazunori Ishikawa, Kazuhisa Ozaki, Toshihiro Tomino, Mikio Iwase +6 more 2000-07-25
5964335 Parking device for automatic transmission Takao Taniguchi, Kazumasa Tsukamoto, Fumitomo Yokoyama, Kazuhisa Ozaki, Akihiro Kuroyanagi +8 more 1999-10-12
5960919 Automatic transmission with a separator for removing oil from the surface of a rotary member Fumitomo Yokoyama, Kazuhisa Ozaki, Akihiro Kuroyanagi, Makoto Hijikata, Katsuyuki Asaoka +3 more 1999-10-05
5957800 Shift control system for automatic transmission Hidehiro Oba, Kagenori Fukumura, Atsushi Tabata, Hiromichi Kimura, Masato Kaigawa +5 more 1999-09-28
5954177 Oil seal for automatic transmission Fumitomo Yokoyama, Kazuhisa Ozaki, Masanori Kadotani, Mikio Iwase, Harumichi Tsuboi +8 more 1999-09-21
5947856 Control system for automatic transmission, including coordinated frictional engagement element release control Atsushi Tabata, Hideki Miyata, Masahiko Ando, Fumitomo Yokoyama, Kazuhisa Ozaki +3 more 1999-09-07
5921885 Control system for automatic transmission Atsushi Tabata, Hideki Miyata, Akira Hukatsu 1999-07-13
5865702 Oil temperature responsive hydraulic control system for an automatic transmission Fumitomo Yokoyama, Kazuhisa Ozaki, Masahiko Ando, Akira Fukatsu, Makoto Hijikata +5 more 1999-02-02
5725451 Control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Masahiro Hayabuchi, Akira Fukatsu, Masato Kaigawa +4 more 1998-03-10
5676617 Automatic transmission for vehicles Atsushi Tabata, Kagenori Fukumura, Takashi Shimizu, Satoru Kasuya 1997-10-14
5674154 Hydraulic control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Toshiyuki Mae, Motoyuki Sakai +6 more 1997-10-07
5665027 Shift control system for automatic transmission Hidehiro Oba, Kagenori Fukumura, Atsushi Tabata, Hiromichi Kimura, Masato Kaigawa +5 more 1997-09-09
5616094 Hydraulic control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Toshiyuki Mae, Motoyuki Sakai +6 more 1997-04-01
5605516 Oil pressure controller of automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Tsuyoshi Mikami, Masato Kaigawa +4 more 1997-02-25
5593365 Control system for automatic transmission Atsushi Tabata, Nobuyuki Takahashi, Takashi Ohta, Shinji Kasuga, Masahiro Hayabuchi +3 more 1997-01-14
5588927 Control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Masahiro Hayabuchi, Akira Fukatsu, Toshiyuki Mae +7 more 1996-12-31
5527233 Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmission Atsushi Tabata, Masato Kaigawa, Hiromichi Kimura, Katsumi Kono, Ryoji Habuchi +4 more 1996-06-18
5522779 Shift control system for automatic transmission Atsushi Tabata, Masato Kaigawa, Hiromichi Kimura, Hidehiro Oba, Kazumasa Tsukamoto +3 more 1996-06-04
5505670 Automatic transmission Takeshi Inuzuka, Masashi Hattori, Kunihiro Iwatsuki, Shinji Kasuga 1996-04-09
5501642 Shift control system for vehicular automatic transmission Takeshi Inuzuka, Masashi Hattori, Masato Kaigawa, Atsushi Tabata, Kenji Shirai 1996-03-26
5496230 Control system for automatic transmission Masahiko Ando, Yoshihisa Yamamoto, Akira Fukatsu, Mamoru Niimi, Masato Kaigawa +4 more 1996-03-05
5486146 Hydraulic control circuit for automatic transmission Norimi Asahara, Kagenori Fukumura, Kazuhisa Ozaki 1996-01-23
5475595 Speed stage shifting of automatic transmission by composite control phases employing common target parameter Norimi Asahara, Hideaki Ootsubo 1995-12-12
5472389 Hydraulic control system for automatic transmission Masahiko Ando, Akira Fukatsu, Yoshihisa Yamamoto, Mamoru Niimi, Kunihiro Iwatsuki +3 more 1995-12-05
5460577 Automatic transmission Shuzo Moroto, Takeshi Inuzuka, Masashi Hattori, Yutaka Taga, Atsushi Tabata +1 more 1995-10-24