Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697029 | Magnet developing roller with dry plated sleeve | Masato Yoshikawa, Kazuo Naito, Kanji Inoue | 1997-12-09 |
| 5690084 | Breather structure for blow-by gas in internal combustion engine | Tohru Gunji, Atsushi Sawa | 1997-11-25 |