Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773120 | Method for producing optically active 2, 3-bisphosphinopyrazine derivative and method for producing optically active phosphine transition metal complex | Daisuke Mayama, Ken Tamura | 2023-10-03 |
| 7619426 | Performance board and cover member | — | 2009-11-17 |
| 7326880 | Welding torch and welding robot | Takashi Sanada, Atsushi Ichibangase | 2008-02-05 |
| 6464511 | IC socket and IC tester | Fumio Watanabe | 2002-10-15 |