Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816247 | Lid for underground structure | Eiichiro Saeki, Takefumi Andou | 2017-11-14 |
| 7648307 | Underground structure cover | Yukinori Gondou, Tomokazu Hasegawa, Masakazu Hidaka, Kenichi Koga, Kazumi Tanaka | 2010-01-19 |
| 5128428 | Curable resin composition | Kazuo Ohtani, Toshiaki Hanyuda | 1992-07-07 |
| 5071929 | Thermoset resin composition | Toshiaki Hanyuda, Kojiro Mori, Kazuo Ohtani, Jouji Shibata | 1991-12-10 |
| 4853279 | Curable composition for a fiber-reinforced resin | Jouji Shibata, Kazuo Ohtani, Toshiaki Hanyuda | 1989-08-01 |