Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742029 | Process for producing a sintered cubic silicon carbide | Yasuo Kurachi, Katsuhiko Arai | 1988-05-03 |
| 4711870 | Exhaust gas purifying catalyst | Chikara Yamada, Yoji Watabe, Yuichi Murakamai | 1987-12-08 |
| 4426459 | Process for decomposing vulcanized rubber | Yoji Watabe, Hideo Takeichi | 1984-01-17 |
| 4305850 | Process for decomposing vulcanized rubber | Yoji Watabe, Hideo Takeichi, Akihiro Maebara, Arata Miyagi | 1981-12-15 |
| 4294732 | Rubber mounting compositions | Tomio Ohyachi | 1981-10-13 |