Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442915 | Rubber composition for conveyor belt, and conveyor belt | Toshihiko Kurata | 2019-10-15 |
| 6030108 | Waterproof lighting apparatus | Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Takao Aoki, Kiyoshi Koyama | 2000-02-29 |
| 5333227 | Optical waveguide hose | Minoru Ishiharada, Rikuhei Itou, Itsuo Tanuma, Kazuo Naito, Takao Aoki +1 more | 1994-07-26 |
| 4674622 | Conveyor belt | Tadashi Utsunomiya, Keishi Sato, Yoshihide Fukahori, Masao Ogawa | 1987-06-23 |
| 4507418 | Rubber compound for conveyor belts | Tadashi Utsunomiya, Hideaki Saigo | 1985-03-26 |