Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371214 | 4-(1,1-dialkoxycarbonylalkyl)azetidin-2-one derivative and process for producing 4-(1-carboxyalkyl)azetidin-2-one derivative using the same | Toshiyuki Murayama, Akifumi Yoshida, Toyohiko Kobayashi | 1994-12-06 |
| 5309623 | Method of making a seesaw balance type microminiature electromagnetic relay | Yoshio Okamoto, Takanori Tanaka, Ikuhiro Andoh, Hajime Tsuboi, Koji Hanada | 1994-05-10 |
| 5304970 | Seesaw balance type microminiature electromagnetic relay and method of producing the same | Yoshio Okamoto, Takanori Tanaka, Ikuhiro Andoh, Hajime Tsuboi, Koji Hanada | 1994-04-19 |