Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361562 | Method and apparatus for opening lid of box | Hiroyuki Shimizu, Keizo Nakashima | 1994-11-08 |
| RE34653 | Heterocyclic spiro compounds and methods for preparing the same | Shin-ichi Tsukamoto, Shinji Usuda, Masatomi Harada, Toshinari Tamura | 1994-07-05 |