Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698730 | Method for preparing cyanoacetic acid higher ester | Yasuyuki Takayanagi, Masaaki Seya | 1997-12-16 |
| 5661332 | Semiconductor diffused resistor | Tomohisa Yamamoto, Hiroyuki Ban | 1997-08-26 |
| 5637752 | Method for preparing cyanoacetic acid higher ester | Yasuyuki Takayanagi, Masaaki Seya | 1997-06-10 |