Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34344 | Developing device | Shingo Sakato, Eiichi Tone, Shuji Fujisawa, Takeshi Tsuda, Yousuke Ohata | 1993-08-17 |
| 4930302 | Bobbin transporting system | Yoshio Yamamoto | 1990-06-05 |
| 4851873 | Developing device | Shingo Sakao, Eiichi Tone, Shuji Fujisawa, Takeshi Tsuda, Yousuke Ohata | 1989-07-25 |
| 4576464 | Charge eliminating lamp device | Hiromi Sakata, Nobuhiko Kozuka | 1986-03-18 |