Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552030 | Method of making a magnetic material in the form of a multilayer film by plating | Kazuo Shimizu, Motonobu Onoda, Tohru Watanabe | 1996-09-03 |
| 5193820 | Three-piece type oil ring assembly | Yukio Tateishi, Akira Takahashi, Katsushi Ishihara | 1993-03-16 |
| 5124007 | Composite plating bath | Motonobu Onoda, Katsuaki Ogawa | 1992-06-23 |
| 5104132 | Piston ring having nitriding layer and composite Ni-B plating layer | Motonobu Onoda | 1992-04-14 |
| 4743132 | Paper feed device | Masaru Chikata, Takashi Yagi | 1988-05-10 |
| 4473232 | Oil scraper ring with controlled gap arrangement | Genkichi Umeha | 1984-09-25 |