Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459211 | Narrow groove elevator doorsill | Shintarou Saeki | 2022-10-04 |
| 5861437 | Polyphenylene ether resin | Hiromu HARADA, Yukihiko Hotei, Hideki Hujikura, Yoshinori Nonaka, Koji Kamata +2 more | 1999-01-19 |