AS

Akira Saito

Ricoh Company: 22 patents #966 of 9,818Top 10%
IBM: 20 patents #5,451 of 70,183Top 8%
FC Fuji Electric Co.: 16 patents #126 of 2,643Top 5%
HI Hitachi: 14 patents #2,889 of 28,497Top 15%
KT Kabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
NE Nec: 11 patents #1,181 of 14,502Top 9%
AC Asahi Kasei Kogyo Co.: 7 patents #56 of 1,395Top 5%
TK Toshiba Tec Kabushiki Kaisha: 7 patents #421 of 1,664Top 30%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
SE Seiko Epson: 6 patents #2,663 of 7,774Top 35%
OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%
WC Wako Filter Technology Co.: 5 patents #1 of 13Top 8%
MC Murata Manufacturing Co.: 4 patents #1,804 of 5,295Top 35%
SO Sony: 4 patents #8,966 of 25,231Top 40%
AG Agc: 4 patents #186 of 954Top 20%
KC Kansai Paint Co.: 3 patents #201 of 822Top 25%
NK Nihon Kaiheiki Kogyo Kabushiki Kaisha: 3 patents #2 of 13Top 20%
Kubota: 3 patents #629 of 2,059Top 35%
NC Nihon Kaiheiki Industrial Company: 3 patents #2 of 20Top 10%
Kyocera: 3 patents #999 of 3,732Top 30%
JT Jtekt: 3 patents #557 of 1,969Top 30%
KU Keio University: 3 patents #54 of 781Top 7%
FC Fasford Technology Co.: 3 patents #4 of 26Top 20%
TU Teikyo University: 3 patents #1 of 41Top 3%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
DE Denso: 3 patents #3,857 of 11,792Top 35%
AK Asahi Kasei Kabushiki Kaisha: 3 patents #181 of 1,220Top 15%
TC Tokyo Weld Co.: 2 patents #4 of 21Top 20%
HI Hitachi Video Engineering, Incorporated: 2 patents #34 of 181Top 20%
JN Japan Oil, Gas And Metals National: 2 patents #23 of 106Top 25%
KA Kao: 2 patents #1,388 of 3,221Top 45%
KK Kureha Kagaku Kogyo: 2 patents #222 of 607Top 40%
MA Mani: 2 patents #19 of 62Top 35%
MC Mitsubishi Shindoh Co.: 2 patents #25 of 65Top 40%
NC Nippon Chemical Industrial Co.: 2 patents #62 of 212Top 30%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
ND Ntt Docomo: 2 patents #761 of 1,706Top 45%
PC Protec Co.: 2 patents #10 of 49Top 25%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
TC Taiheiyo Cement: 2 patents #43 of 203Top 25%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HE Hitachi Video Eng.: 1 patents #2 of 36Top 6%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
AA Agc Flat Glass North America: 1 patents #48 of 112Top 45%
HS Hitachi Video And Information Systems: 1 patents #142 of 269Top 55%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
RI Riken: 1 patents #679 of 1,824Top 40%
HE Hitachi Kokusai Electric: 1 patents #493 of 843Top 60%
FK Fukubi Kagaku Kogyo Kabushiki Kaisha: 1 patents #2 of 9Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
YI Yoshitomi Pharmaceutical Industries: 1 patents #145 of 310Top 50%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
AL Agc Vidros Do Brasil Ltda: 1 patents #19 of 48Top 40%
TC Tanabe Seiyaku Co.: 1 patents #222 of 389Top 60%
FL Fujitsu Client Computing Limited: 1 patents #29 of 83Top 35%
UE University Of Electro-Communications: 1 patents #47 of 199Top 25%
TC Toho Titanium Co.: 1 patents #86 of 153Top 60%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
TC Tohoku Ricoh Co.: 1 patents #101 of 204Top 50%
KI Kito: 1 patents #30 of 64Top 50%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
FC Fuji Electric Device Technology Co.: 1 patents #91 of 205Top 45%
MF Microbial Chemistry Research Foundation: 1 patents #39 of 110Top 40%
AE Agc Glass Europe: 1 patents #134 of 252Top 55%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
JC Jm Consulting: 1 patents #8 of 13Top 65%
JT Japan Tobacco: 1 patents #582 of 1,187Top 50%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
📍 Minami-Alps, JP: #1 of 37 inventorsTop 3%
Overall (All Time): #2,865 of 4,157,543Top 1%
214
Patents All Time

Issued Patents All Time

Showing 176–200 of 214 patents

Patent #TitleCo-InventorsDate
5355301 One-chip type switching power supply device Yasurou Motoi, Tsuneo Watanabe 1994-10-11
5295125 Optical head device for recording/reproduction for recording medium using plural light spots Kunikazu OONISHI, Tohru Sasaki, Masayuki Inoue, Yasuo Kitada 1994-03-15
5278813 Optical recording/reproducing apparatus with light beam deflection means including wedge-shaped prism Kunikazu Ohnishi, Tohru Sasaki, Masayuki Inoue, Michio Miura, Kazuo Shigematsu 1994-01-11
5220459 Optical disk driving with inertial damping spring supporting lens holder Atsushi Ichikawa, Yukio Sumiya 1993-06-15
5204706 Moving picture managing device 1993-04-20
5177513 Moving picture managing device and method of managing a moving picture 1993-01-05
5151497 Histidyl peptide derivatives Itsuo Uchida, Akihiro Yasuda, Kunio Iwata, Hiroaki Hari, Katsuyoshi Hara +4 more 1992-09-29
5147409 Agent and method for treating wool fibers wherein the agent is tris(hydroxypropyl)phosphine and/or alkylene oxide addition products thereof Seiji Shimura, Masashi Sugiya, Yoshifusa Hara, Kunio Kako 1992-09-15
5134199 Diene block polymer and polymer composition Yasuo Hattori, Yuichi Kitagawa 1992-07-28
5114889 Silicon nitride sintered body and process for preparation thereof Kazumi Osamura, Masaki Terazono, Shoji Kohsaka, Kazunori Koga, Masahiro Sato +1 more 1992-05-19
5109368 Optical device using a resilient member Hiroaki Ohta, Akio Yabe 1992-04-28
5072438 Optical information recording disc and apparatus for driving the disc Masahiro Suzuki, Takeo Sonobe, Koreaki Kurane 1991-12-10
5064029 Eddy current retarder Kenji Araki, Jyunichi Miyamae, Takashi Kobayashi 1991-11-12
5051808 Semiconductor device with low inductance of wirings connecting individual elements of the device Naoki Kumagai 1991-09-24
5017698 Spirooxazine photochromic compounds Katsuichi Machida, Teruo Sakagami 1991-05-21
4937673 Camera for shooting movie and still pictures while preventing noise from being recorded Toshiharu Iida, Akio Serizawa, Tatuo Inoue 1990-06-26
4914248 Diene polymers, process for production, thereof, and rubber compositions containing same Yuichi Kitagawa, Yasuo Hattori 1990-04-03
4854041 Method of manufacturing a switch base Teisuke Nukada, Michio Ito 1989-08-08
4851619 Miniature switch Yasushi Fujita 1989-07-25
4850138 Door with an adjustable louver Kayo Watanabe, Yoshihiro Aoki 1989-07-25
4841509 Apparatus and method for detecting focus error signal and tracking error signal in an optical disk system Toshimasa Kamisada 1989-06-20
4838649 Apparatus for driving objective lens Atsushi Ichikawa, Masamichi Ito 1989-06-13
4835209 Rubber for tire treads and compositions thereof Yuichi Kitagawa, Haruo Yamada 1989-05-30
D301136 Push button switch 1989-05-16
4827489 Decoding device for digital signals Nobukazu Doi, Hideki Imai, Morishi Izumita, Seiichi Mita, Hiroto Yamauchi +2 more 1989-05-02