EY

Eiji Yamamoto

OL Olympus: 44 patents #19 of 3,097Top 1%
YE Yaskawa Electric: 11 patents #42 of 1,006Top 5%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
SO Sony: 10 patents #4,411 of 25,231Top 20%
OM Omron: 8 patents #355 of 3,089Top 15%
OC Olympus Optical Co.: 6 patents #576 of 2,334Top 25%
HS Hitachi Video And Information Systems: 3 patents #39 of 269Top 15%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
FC Funai Electric Co.: 3 patents #330 of 943Top 35%
HC Hitachi Ulsi Systems Co.: 2 patents #419 of 867Top 50%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
F- F-Tech: 1 patents #28 of 100Top 30%
OC Optical Measurement Technology Development Co.: 1 patents #6 of 14Top 45%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
UN Unicharm: 1 patents #390 of 624Top 65%
YA Yaskawa America: 1 patents #11 of 43Top 30%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
📍 Musashimurayama, JP: #1 of 88 inventorsTop 2%
Overall (All Time): #12,461 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
5801509 Method of starting a permanent-magnet synchronous motor equipped with angular position detector and apparatus for controlling such motor Toshihiro Sawa, Sumitoshi Sonoda, Syuuichi Fujii 1998-09-01
5798826 Optical displacement sensor Masataka Ito 1998-08-25
5762997 Method of manufacturing a cathode assembly Akihito Hara, Toshiharu Higuchi, Toru Yakabe, Shigeo Kanda 1998-06-09
5671052 Optical encoder Isao Kawakubo 1997-09-23
5619318 Optical displacement sensor Takashi Mihara, Masataka Ito 1997-04-08
5543682 Cathode assembly incorporating a black layer formed from particles having a specified average particle size Akihito Hara, Toshiharu Higuchi, Toru Yakabe, Shigeo Kanda 1996-08-06
5084894 Optical semiconductor device 1992-01-28
5080024 Foldable workbench 1992-01-14