YS

Yoshio Sato

HI Hitachi: 32 patents #817 of 28,497Top 3%
Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
OB Obara: 8 patents #3 of 35Top 9%
EB Ebara: 5 patents #423 of 1,611Top 30%
AT Agency Of Industrial Science And Technology: 4 patents #91 of 1,778Top 6%
AM Amp: 3 patents #379 of 1,260Top 35%
TC Taiyo Yuden Co.: 3 patents #384 of 959Top 45%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
SI Sumitomo Light Metal Industries: 2 patents #54 of 254Top 25%
DL Dengensha Manufacturing Company Limited: 2 patents #3 of 26Top 15%
HC Hitachi Computer Engineering Co.: 2 patents #9 of 170Top 6%
NC Nippon Kokan Co.: 2 patents #138 of 735Top 20%
MM Minebea Motor Manufacturing: 1 patents #10 of 30Top 35%
MC Morito Co.: 1 patents #14 of 46Top 35%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SA Sato: 1 patents #114 of 223Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
W& Whitaker &: 1 patents #650 of 1,437Top 50%
TP Technology Partners: 1 patents #74 of 201Top 40%
BA Babcock-Hitachi: 1 patents #209 of 415Top 55%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
FL Fujitsu Media Devices Limited: 1 patents #89 of 136Top 70%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
MC Minebea Co.: 1 patents #400 of 736Top 55%
📍 Yokohama, IL: #3 of 17 inventorsTop 20%
Overall (All Time): #17,597 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 51–75 of 91 patents

Patent #TitleCo-InventorsDate
5219706 Naphthalocyanine derivative and production process thereof, as well as optical information recording media using the derivatives and production process thereof Seiji Tai, Shigeru Hayashida, Nobuyuki Hayashi, Yasushi Iwakabe, Shunichi Numata +4 more 1993-06-15
5212207 Styrene-divinylbenzene copolymer having both amino and phosphonate groups Katsuo Murayama, Yoshihiro Nakai 1993-05-18
5198637 Method of cutting grooves in hydrodynamic bearing made of ceramic material Yumiko Noda, Ichiro Kamiya, Manabu Toshimitsu, Ryoichi Shinjo 1993-03-30
5188737 Method of removing nitrate ion from a solution containing nitrate and other anions Katsuo Murayama, Toshihiro Nakai 1993-02-23
5177717 Optical memory medium and its information recording and erasing method and apparatus Atsumi Watanabe, Satoshi Shimada, Hiroshi Sasaki, Nobuyoshi Tsuboi, Hideki Nihei +3 more 1993-01-05
5161994 Edge connector and board latching device for a connector Takashi Kamono, Ryoji Nishimura 1992-11-10
5142173 Bearing structure Daisuke Konno, Sachihiko Miwa, Shunichi Aiyoshizawa, Kazuyuki Kasahara, Kazuto Hirokawa +1 more 1992-08-25
5110792 Method and apparatus of optical modulation using superconductive oxide material Takahiro Nakayama, Kunihiro Tamahashi, Moriaki Fuyama, Hiroyuki Minemura, Nobuyoshi Tsuboi +1 more 1992-05-05
5089732 Spindle motor Daisuke Konno, Sachihiko Miwa, Shunichi Aiyoshizawa, Kazuyuki Kasahara, Kazuto Hirokawa 1992-02-18
5049458 Fuel cell Hirotaka Nakagawa, Hiroshi Mihara, Shigeyoshi Kosuge, Hiroshi Tsuneizumi, Eiji Morishige 1991-09-17
4998033 Gas dynamic bearing for spindle motor Yasushi Hisabe, Noriyuki Osada, Toshihiro Ohtani, Masahiko Kishi, Daisuke Konno +6 more 1991-03-05
4985147 Liquid separation membrane for pervaporation Akira Mochizuki, Hisashi Ogawara, Syuzo Yamashita 1991-01-15
4984996 Printed circuit board edge connector Tetsuya Watanabe, Tsutomu Nakamura, Naoki Kumagai, Takashi Kamono 1991-01-15
4978187 Optical element, optical disc and rotary encoder with the optical element Hiroyuki Minemura, Nobuyoshi Tsuboi, Hiroaki Koyanagi, Shinji Ohyama 1990-12-18
4969829 Surface mounted connector having a securing tab 1990-11-13
4944881 Liquid separation membrane for pervaporation Akira Michizuki, Hisashi Ogawara, Syuzo Yamashita 1990-07-31
4937152 Fuel cell Hiroshi Tsuneizumi, Hirotaka Nakagawa, Eiji Morishige, Hiroshi Mihara 1990-06-26
4937808 Intergrated optical head with flexible substrate portion Satoshi Shimada, Shinji Ohyama, Manabu Sato, Masahiko Ibamoto, Nobuyoshi Tsuboi +3 more 1990-06-26
4912395 Testable LSI device incorporating latch/shift registers and method of testing the same Toshifumi Ishii, Yasushi Kohno 1990-03-27
4862440 Optical head with optical beam control using acoustic wave device Norifumi Miyamoto, Nobuyoshi Tsuboi, Satoshi Shimada, Hiroshi Sasaki, Hiroaki Koyanagi +1 more 1989-08-29
4860050 Developing replenisher material for use in image forming device Tsuneo Kurotori, Manabu Mochizuki, Kenzo Ariyama, Shinichi Kuramoto, Yoshihiro Sugiyama +3 more 1989-08-22
4841514 Optical recording method and apparatus using two fight spots Nobuyoshi Tsuboi, Atsumi Watanabe, Satoshi Shimada, Hiroshi Sasaki 1989-06-20
4811328 Optical recording and reproducing device Tetsuo Ito, Hiroshi Sasaki, Satoshi Shimada, Norifumi Miyamoto, Nobuyoshi Tsuboi +2 more 1989-03-07
4808313 Liquid separation membrane for pervaporation Akira Michizuki, Hisashi Ogawara, Syuzo Yamashita 1989-02-28
4773060 Optical information recording device Satoshi Shimada, Hiroshi Sasaki, Nobuyoshi Tsuboi, Tetsuo Ito, Hideki Nihei +3 more 1988-09-20