Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701371 | Tunable optical filter | — | 1997-12-23 |
| 5678418 | Air-conditioner | Yuichi Ueno, Noriyoshi Miyajima, Takashi Kageyama | 1997-10-21 |
OI
Osamu Ishida
NTT: 1 patents #69 of 290Top 25%
Nippondenso Co.: 1 patents #178 of 719Top 25%
Overall (1997): #28,327 of 185,788Top 20%
2
Patents 1997