TO

Tomohiro Oikawa

Sharp Kabushiki Kaisha: 17 patents #963 of 10,731Top 9%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
TC Tokyo Ohka Kogyo Co.: 3 patents #291 of 684Top 45%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #164,504 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
9529266 Method of forming pattern Kazuishi Tanno 2016-12-27
9459528 Negative tone resist composition for solvent developing and method of forming resist pattern Rikita Tsunoda, Yusuke Suzuki, Jiro Yokoya 2016-10-04
9128374 Resist composition and method of forming resist pattern 2015-09-08
7086243 Setting device of a force feedback type Hiroyuki Sato, Kazuyuki Murakami, Yasuhiro Miyasaka 2006-08-08
6606471 Image forming apparatus Yukikazu Kamei, Shirou Wakahara, Hideki Onishi, Hiroshi Doshoda 2003-08-12
6512912 Image forming apparatus including transfer device outer displacive type ferroelectric layer Yukikazu Kamei, Shiro Wakahara, Hideki Onishi, Hiroshi Doshoda 2003-01-28
6330408 Transfer apparatus Shirou Wakahara, Yukikazu Kamei, Hideki Ohnishi, Hiroshi Doshoda 2001-12-11
6259869 Image forming apparatus Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2001-07-10
6233422 Image forming apparatus having transfer drum with transfer paper charging member Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2001-05-15
6169862 Image forming apparatus with nip time changing device Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2001-01-02
6118954 Image forming apparatus having transfer roller with charge-removing and cleaning devices Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2000-09-12
6081686 Image forming apparatus having transfer drum with specific construction Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2000-06-27
6078772 Image-forming apparatus Toshihiko Takaya, Fumio Shimazu, Seiichi Yoshida, Hideki Ohnishi, Yoshie Iwakura 2000-06-20
6026256 Image forming apparatus Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 2000-02-15
5878314 Image-forming device and method of manufacturing dielectric sheet Toshihiko Takaya, Shunju Anzai 1999-03-02
5799225 Image forming apparatus having variable transfer and attraction voltage Takuya Abe, Kiyoshi Toizumi, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi +3 more 1998-08-25
5708920 Toner-image fixing device with roller-temperature limitation Hideki Ohnishi, Yukikazu Kamei, Yoshinobu Tateishi 1998-01-13
5694161 Image forming apparatus with a light directing device for varying density of an image Iwakazu Honda, Yoichi Yamamoto 1997-12-02
5532796 Image forming apparatus Shiro Narikawa, Hirokazu Tanaka, Iwakazu Honda, Hiroe Ando 1996-07-02
5493410 Printer varying pixel-shape to reduce jaggedness 1996-02-20
5298945 Electrophotographic printing machine Takasumi Wada, Kimihide Tsukamoto 1994-03-29
5054866 Scanning optical apparatus Kan Tomita 1991-10-08
5024496 Polygonal mirror for scanning light beam 1991-06-18
4640611 Copying method for bookbinding Eishu Ohdake, Kenichi Shimizu, Takashi Seto, Masahiro Ishikawa, Shigeru Suzuki +1 more 1987-02-03
4592651 Copier with bookbinding function Kenichi Shimizu, Shigeru Suzuki, Izumi Tagoku, Masahiro Ishikawa, Takashi Seto 1986-06-03