Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640608 | Cleaning method for use in electrophotography | Toshiaki Higaya, Masaaki Ogura, Takato Yano, Toshiyuki Ogawa, Nachio Seko | 1987-02-03 |
| 4297021 | Powder material transportation apparatus | Tatsuo Tani, Yasumori Nagahara, Sakae Ohta, Minoru Suzuki | 1981-10-27 |