Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347031 | Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same | Masao Tonosaki, Nobuhiro Yamada, Kenji Mori | 1994-09-13 |
| 5305047 | Pattern projector having a multi-portion projection lens and camera comprising the same | Shingo Hayakawa, Yasuo Suda | 1994-04-19 |