KA

Koichi Aizawa

PA Panasonic: 18 patents #1,184 of 21,108Top 6%
FC Fuji Electric Co.: 9 patents #263 of 2,643Top 10%
Dow Corning: 4 patents #408 of 1,768Top 25%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
DK Dow Corning K.K.: 2 patents #1 of 12Top 9%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
FC Fuji Electric Imaging Device Co.: 1 patents #14 of 34Top 45%
Overall (All Time): #86,338 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5380464 Silicone foam control composition James B. McGee, Lenin James Petroff, Hiroaki Shoji 1995-01-10
5278368 Electrostatic relay Fumihiro Kasano, Hiromi Nishimura, Jun Sakai, Keiji Kakite, Takayoshi Awai 1994-01-11
5215643 Electrochemical gas sensor Shigekazu Kusanagi, Toru Fujioka, Ayumu Yasuda, Noriyuki Yamaga, Yoshifumi Watabe +3 more 1993-06-01
5215843 Photoconductor for electrophotography with phosphorus containing interlayer 1993-06-01
5162184 Electrophotographic photoreceptor 1992-11-10
5153258 Silicone antifoaming agent composition Hideki Nakahara 1992-10-06
4837137 Electrophotographic photoreceptor Toyoki Kazama, Yukio Takano, Yukihisa Tamura 1989-06-06
4833055 Electrophotographic photoreceptor comprising amorphous silicon and amorphous carbon buffer layer Toyoki Kazama, Kenichi Hara, Toshiyuki Iijima, Yukio Takano 1989-05-23
4824903 Heat-resistant polyorganosiloxane composition Shingo Sewa, Kiyoshi Mizushima, Minoru Emoto 1989-04-25
4770966 Electrophotographic photosensitive material comprising amorphous carbon protective layer containing hydrogen and fluorine Toyoki Kazama, Kenichi Hara, Toshiyuki Iijima, Yukio Takano 1988-09-13
4749740 Method of producing a silicone defoamer composition Shingo Sewa, Hideki Nakahara 1988-06-07
4675265 Electrophotographic light-sensitive element with amorphous C overlayer Toyoki Kazama, Kiyoto Yamaguchi, Kenichi Hara, Toshiyuki Iijima 1987-06-23
4639489 Method of producing a silicone defoamer composition Shingo Sewa, Hideki Nakahara 1987-01-27