AK

Akio Kojima

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
Ricoh Company: 22 patents #966 of 9,818Top 10%
PA Panasonic: 10 patents #2,582 of 21,108Top 15%
DE Denso: 8 patents #1,668 of 11,792Top 15%
IC Idemitsu Kosan Co.: 7 patents #211 of 1,237Top 20%
HC Hitachi Computer Engineering Co.: 4 patents #2 of 170Top 2%
AD Advantest: 4 patents #256 of 1,193Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
SC Sanwa Kagaku Kenkyusho Co.: 3 patents #50 of 223Top 25%
DI Daicel Chemical Industries: 2 patents #308 of 893Top 35%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
KR Kawamura Institute Of Chemical Research: 1 patents #25 of 58Top 45%
DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
TH Teletech Holdings: 1 patents #14 of 37Top 40%
IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Overall (All Time): #18,674 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 76–88 of 88 patents

Patent #TitleCo-InventorsDate
5329690 Printed circuit board assembling system Yoshihisa Tsuji, Sigeru Ninomiya, Kazuo Kato, Mamoru Kobayashi, Hideaki Sasaki +1 more 1994-07-19
5326678 High dielectric polymeric optical recording medium Takeo Yamaguchi, Masao Yoshikawa, Isamu Shibata, Kaoru Teramura 1994-07-05
5231585 Computer-integrated manufacturing system and method Mamoru Kobayashi, Hideaki Sasaki, Kazuo Kato, Sigeru Ninomiya, Yoshihisa Tsuji 1993-07-27
5177603 Image copying apparatus having means for deleting color portions of an original image 1993-01-05
5177469 Safety device for an IC handler and method for its operation Noriyuki Igarashi, Katsumi Kojima 1993-01-05
4992109 Photoelectric conversion element Masao Yoshikawa, Tetsuro Suzuki, Masayuki Shoshi, Masafumi Ohta 1991-02-12
4889715 Composition containing organogermanium compound and immunity adjusting agent comprising the composition Kiichi Sawai, Masayasu Kurono, Juichi Awaya, Hideaki Ninomiya 1989-12-26
4874481 N,N'-diphenylbenzidine polymer and method of producing the same Tetsuro Suzuki, Masao Yoshikawa 1989-10-17
4803871 Inspection device for inspecting projections on the surface of parts Osamu Harada, Souhei Ikeda, Yoshihisa Watanabe, Yoshihisa Tsuji 1989-02-14
4777357 Bar code reader Osamu Harada, Souhei Ikeda, Yoshihisa Watanabe, Keiichi Isozaki 1988-10-11
4672149 Photoelectric transducer element Masao Yoshikawa, Tetsuro Suzuki, Masaomi Sasaki 1987-06-09
4430379 Master plate for dry lithographic printing Eizi Hayakawa, Yoshi Arai, Masatoshi Sakuma, Yukichi Toyoshima 1984-02-07
4400455 Layered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layers Mitsuru Hashimoto, Kiyoshi Sakai, Katsunari Ohta 1983-08-23