YH

Yasuo Hirano

Ricoh Company: 19 patents #1,131 of 9,818Top 15%
TM Toshiba Industrial Products Manufacturing: 7 patents #4 of 46Top 9%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
KS Kobe Steel: 7 patents #196 of 1,773Top 15%
KS Kobe Steel: 3 patents #309 of 2,031Top 20%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
AC Aishin Aw Co.: 1 patents #17 of 45Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AC Allied Consulting: 1 patents #540 of 1,310Top 45%
AR Aruze: 1 patents #44 of 100Top 45%
ME Mitsubishi Engineering-Plastics: 1 patents #79 of 163Top 50%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
📍 Kakogawa, JP: #6 of 707 inventorsTop 1%
Overall (All Time): #69,906 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5774775 Electrophotograhic image forming method using an intermediate image transfer element Jun Aoto, Masahide Yamashita, Mitsuru Seto, Shigeru Fukuda 1998-06-30
5761594 Image forming apparatus Mitsuru Seto, Shigeru Fukuda, Jun Aoto, Masahide Yamashita, Takashi Bisaiji +2 more 1998-06-02
5741616 Method of developing latent electrostatic images and developer-bearing member Jun Aoto, Kazuo Nojima, Koji Suzuki, Hiroshi Takashima, Shigekazu Enoki +2 more 1998-04-21
5655199 Intermediate transfer type image forming apparatus and an intermediate transfer medium therefor Masahide Yamashita, Jun Aoto, Mitsuru Seto, Shigeru Fukuda 1997-08-05
5572304 Intermediate image transfer element and image forming apparatus using the same Mitsuru Seto 1996-11-05
5379097 Development apparatus for developing latent electrostatic images Jun Aoto 1995-01-03
5266436 Developer-bearing member and image formation method using the same Jun Aoto 1993-11-30
5241018 Terminal-modified imide oligomer composition Shinji Yamamoto, Kazuyoshi Fujii 1993-08-31
5168312 Unit for developing electrostatic latent images including member having overcoat layer Jun Aoto 1992-12-01
5142330 Development unit having a toner layer thickness regulation member Jun Aoto 1992-08-25
5136335 Developer carrier with a dielectric layer having a frequency characteristic confined in a predetermined range Fuchio Takeda, Kazuhiro Nishido, Takeo Wada 1992-08-04
5099285 Development roller with surface layer of fluorosilicon polymer Jun Aoto 1992-03-24
4994319 Member for developing electrostatic latent images Kazuo Nojima 1991-02-19
4958193 Member for developing electrostatic latent images Kazuo Nojima 1990-09-18
4833058 Developing apparatus Kazuo Nojima, Motoi Orihara 1989-05-23
4702964 Fixing roll Kazuo Nojima 1987-10-27
4691004 Copolymerization of lactam with diene polymer having amino or imino end groups Masao Nishiyama 1987-09-01
4603087 Fixing roll Hideaki Ema, Kazuo Nojima 1986-07-29