YY

Yoshihiko Yamada

UJ Unisia Jecs: 16 patents #14 of 395Top 4%
Nissan Motor Co.: 13 patents #482 of 8,689Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HS Hitachi Automotive Systems: 9 patents #167 of 1,636Top 15%
JT Jtekt: 9 patents #162 of 1,969Top 9%
AU Atsugi Unisia: 3 patents #20 of 117Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
DC Daifuku Co.: 3 patents #100 of 509Top 20%
Canon: 2 patents #12,681 of 19,416Top 70%
HS Harmonic Drive Systems: 2 patents #56 of 147Top 40%
NC Nidek Co.: 2 patents #161 of 365Top 45%
TK Toyoda Koki Kabushiki Kaisha: 2 patents #222 of 674Top 35%
HM Hyundai Motor: 1 patents #6,384 of 11,886Top 55%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
TO Tomey: 1 patents #22 of 51Top 45%
📍 Fujisawa, JP: #6 of 21 inventorsTop 30%
Overall (All Time): #35,690 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 26–50 of 63 patents

Patent #TitleCo-InventorsDate
7401581 Variable valve apparatus for internal combustion engine 2008-07-22
7311070 Variable valve system of internal combustion engine and method of assembling same 2007-12-25
7070368 Method for setting a machining feed rate and a machine tool using the same Shinji Murakami, Kazuya Hattori, Tadashi Otani, Atsushi Saito 2006-07-04
7055477 Valve actuation apparatus for internal combustion engine and method of adjusting lift thereof Tamotsu Todo, Yusuke Takagi 2006-06-06
7047921 Variable-valve-actuation apparatus for internal combustion engine Makoto Nakamura 2006-05-23
7032551 Adjusting mechanism adjusting method of valve-lift amount of internal combustion engine Kaoru Eguchi, Masaru Nemoto, Tamotsu Todo 2006-04-25
6874456 Valve operating apparatus of internal combustion engines Katsuhiko Uchida 2005-04-05
6792614 Optical disk apparatus and method of installing its spindle motor Asayuki Matsumura, Yasuhide Saito 2004-09-14
6745154 Remote diagnosis method and system, and portable information processor therefor Yoshiteru Mifune, Yoshiyuki Shiwaku 2004-06-01
6597142 Apparatus and method for setting control parameters of machining apparatus Tetsuro Shibukawa, Akimitsu Kamiya, Kazunari Ogura, Atsuhisa Asada, Tadashi Otani +2 more 2003-07-22
6568361 Valve operating device for internal combustion engines Seinosuke Hara, Keisuke Takeda, Yoshiaki Miyazato 2003-05-27
6497206 Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic Tsuneyasu Nohara, Makoto Nakamura 2002-12-24
6345595 Control apparatus for variably operated engine valve mechanism of internal combustion engine 2002-02-12
6340010 Valve operating device for internal combustion engine with variable valve timing and valve-lift characteristic mechanism Seinosuke Hara, Makoto Nakamura 2002-01-22
6305336 Electromagnetic driving device of engine valve for internal combustion engine Seinosuke Hara, Katsuhisa Todoroki, Tsutomu Hibi 2001-10-23
6260523 Variable-valve-actuation apparatus for internal combustion engine Makoto Nakamura, Shinichi Takemura, Yoshiaki Miyazato, Tsuneyasu Nohara, Tsutomu Hibi 2001-07-17
6257182 Electromagnetic drive system for engine valve Seinosuke Hara, Makoto Nakamura, Tsutomu Hibi, Katsuhisa Todoroki, Yoshiaki Miyazato 2001-07-10
6123053 Variable valve actuation apparatus for internal combustion engines Seinosuke Hara, Makoto Nakamura, Tetsuro Goto, Keisuke Takeda 2000-09-26
6098580 Variable valve actuator apparatus Tetsuro Goto 2000-08-08
6055949 Variable valve actuator apparatus Makoto Nakamura, Seinosuke Hara, Keisuke Takeda, Shinichi Takemura 2000-05-02
6050515 Magnetic tape wind-up device Isao Shinohara 2000-04-18
6041746 Variable valve actuation apparatus Shinichi Takemura, Seinosuke Hara, Makoto Nakamura, Keisuke Takeda, Tetsuro Goto 2000-03-28
5988125 Variable valve actuation apparatus for engine Seinosuke Hara, Keisuke Takeda, Tsutomu Hibi, Akira Ohnuki, Shunichi Aoyama +5 more 1999-11-23
5931129 Valve-operating device for engine with two banks and variable valve timing and working angle mechanism Tsuneyasu Nohara, Akira Hidaka 1999-08-03
5924334 Device for moving cam relative to its driving shaft Seinosuke Hara, Akira Hidaka, Shinichi Takemura 1999-07-20