Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697029 | Magnet developing roller with dry plated sleeve | Shinji Saitoh, Masato Yoshikawa, Kanji Inoue | 1997-12-09 |
| 5686505 | Process and apparatus for surface treatment of unvulcanized rubber sheet | Yukihiro Kusano, Mahito Fuji, Masato Yoshikawa, Fumihiro Matsuyama, Yoshio Nohara +1 more | 1997-11-11 |
| 5684913 | Optical waveguide tube and method of making | Hideo Sugiyama, Masato Sugimachi, Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma +1 more | 1997-11-04 |
| 5681611 | Light guide and method for making | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Masato Sugimachi, Hideo Sugiyama | 1997-10-28 |
| 5638480 | Optical waveguide hose | Minoru Ishiharada, Itsuo Tanuma | 1997-06-10 |