Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507415 | Image processing device and image processing method | Masanori Toyoda, Akihiko Iwasaki, Atsushi Narukawa, Yoshiyuki Nakai, Takeshi Murakami +1 more | 2003-01-14 |
| 5915691 | Document feeder and cover for an image forming apparatus | Masanobu Deguchi, Takahiro Fukunaga, Junichi Kajiwara, Yukinari Sato, Michiyuki Suzuki +5 more | 1999-06-29 |
| 5624107 | Image forming apparatus with a document feeder | Masanobu Deguchi, Junichi Kajiwara, Michiyuki Suzuki, Shinji Kato, Hideaki Hagihara +1 more | 1997-04-29 |
| 5576820 | Xerographic apparatus with a detachable corona charger | Hideaki Hagihara | 1996-11-19 |
| 5398098 | Image forming apparatus | Takahiro Fukunaga, Osamu Nakayama, Hideaki Hagihara, Kazuo Nakamura | 1995-03-14 |
| 5393044 | Paper feeder | Hideaki Hagihara, Souichi Takata | 1995-02-28 |
| 4990957 | Automatic exposure device | Yasushi Nakanishi, Atsushi Narukawa, Masanori Mori, Yukio Nakai | 1991-02-05 |
| 4989040 | Position input apparatus encluding a position detector input apparatus | Toshihisa Matsuo, Kazuyuki Ougita, Junichi Kajiwara | 1991-01-29 |
| 4939377 | Optical apparatus for detecting document size for use in a copying apparatus | Toshihisa Matsuo | 1990-07-03 |
| 4875072 | Automatic document feeder | Kazuyuki Ohnishi, Yoshiteru Mori | 1989-10-17 |
| 4831412 | Copying machine | Kazuyuki Ohnishi, Yoshiteru Mori | 1989-05-16 |
| 4736937 | Automatic document feeder | Kazuyuki Ohnishi | 1988-04-12 |
| 4734747 | Copying machine with a copy paper detection device | Kazuyuki Ohnishi, Shoichiro Yoshiura, Kimihito Yamasaki, Haruyoshi Ikeda | 1988-03-29 |
| 4708461 | Copying machine with a reservation function | Kazuyuki Ohnishi | 1987-11-24 |
| 4688924 | Document copying system | Shunju Anzai, Yoshihisa Miwa | 1987-08-25 |
| 4655582 | Automatic duplex electrophotographic copying machine | Kazuyuki Ohnishi | 1987-04-07 |
| 4639125 | Automatic duplex copying type copying apparatus | Kazuyuki Ohnishi, Akira Mitsuyama | 1987-01-27 |
| 4572650 | Size detecting device of a copy document suitable for electrophotographic copying machine | — | 1986-02-25 |