AT

Akihiko Tamura

SE Seiko Epson: 15 patents #1,253 of 7,774Top 20%
KC Konishiroku Photo Industry Co.: 12 patents #49 of 894Top 6%
KO Konica: 4 patents #638 of 1,958Top 35%
SE Seh-America: 3 patents #21 of 140Top 15%
TC Toyo Seikan Co.: 2 patents #321 of 888Top 40%
NU National University Corporation Nagoya University: 1 patents #247 of 782Top 35%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
📍 Matsumoto, WA: #1 of 1 inventorsTop 100%
Overall (All Time): #89,851 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4826735 Polypropylene resin composition, a multi-layered sheet comprised thereof and a production process therefore Toru Ueki, Jinichi Yazaki, Hideo Amemiya, Takashi Miyazaki 1989-05-02
4669864 Image forming apparatus Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka, Hiroshi Fuma, Shinobu Soma +2 more 1987-06-02
4536082 Transfer type electrostatic reproducing apparatus Mitsuo Motohashi, Mitsugu Nemoto 1985-08-20
4463284 Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus Katsuhiro Shukuri, Kiyoaki Kawamoto, Haruo Iwahashi 1984-07-31
4433904 Electrophotographic copying machine Isao Ikemoto, Junichi Koiso, Tsugio Hirabayashi 1984-02-28
4434218 Photosensitive composition for electrophotography Noriyoshi Tarumi, Masakazu Kokiso 1984-02-28
4431297 Copying machine for electrophotography Isao Ikemoto 1984-02-14
4426148 Mounting structure for developing unit with a magnetic brush Isao Ikemoto 1984-01-17
4380386 Method for controlling prefatiguing illumination of a photosensitive member Kazuo Yasuda, Yoshimitsu Nakamura 1983-04-19
4354763 Dry-type developing device Junichi Koiso, Isao Ikemoto 1982-10-19
4308333 Cadmium sulfide-type photoconductor with an isocyanate film Noriyoshi Tarumi, Masakazu Kokiso 1981-12-29
4256822 Electrophotographic plate containing quaternary ammonium salt polymer interlayer Noriyoshi Tarumi, Masakazu Kokiso, Toshio Muramatsu, Koichi Nagayasu 1981-03-17