Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8741871 | Trehalose compound, method for producing same, and pharmaceutical product containing the compound | Mugio Nishizawa, Hiroshi Imagawa, Hirofumi Yamamoto, Jun Sakurai | 2014-06-03 |
| 8093395 | Sphingosine compound, method for producing the same, and sphingomyelinase inhibitor | Mugio Nishizawa, Hiroshi Imagawa, Jun Sakurai | 2012-01-10 |
| 6382081 | Reciprocating compressor | Yasuhiko Tanaka, Ikutomo Umeoka, Ichiro Kita | 2002-05-07 |
| 6027114 | Document transport apparatus | Tooru Watanabe | 2000-02-22 |
| 5485261 | Image forming apparatus | Masayoshi Kuroda | 1996-01-16 |
| 5159388 | Image forming apparatus | Tsugihito Yoshiyama, Hiroshi Okamoto, Moriyoshi Matsushiro, Masayasu Haga | 1992-10-27 |
| 5132731 | Image forming apparatus having suction means for eliminating gas generated at a transfer portion and airborne power toner around developing devices | — | 1992-07-21 |
| 5027159 | Electrophotographic image forming apparatus capable of developing normal and inverted images | Yoshinobu Hara, Kazuyoshi Hara | 1991-06-25 |
| 4974032 | Paper separation charger for use in electrophotographic copier and the like | Kazuyoshi Hara | 1990-11-27 |
| 4876578 | Paper separation charger for use in electrophotographic copier and the like | Kazuyoshi Hara | 1989-10-24 |
| 4772919 | Electrophotographic copying machine | Tsugihito Yoshiyama | 1988-09-20 |
| 4688927 | Electrophotographic copying machine | Tsugihito Yoshiyama, Hisashi Myochin, Kouji Matsushita | 1987-08-25 |