Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976860 | Conjugated polymer-cation exchanger composite membrane | Kaoru Tsujii | 1990-12-11 |
| 4686211 | Medical composition for external application | Kenji Hara, Tetsuro Kamiya, Kaoru Tsujii | 1987-08-11 |
| 4318779 | Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals | Michio Tsuyuguchi, Keiji Kubo | 1982-03-09 |
| 4277186 | Printing and displaying apparatus | — | 1981-07-07 |
| 4263592 | Input pen assembly | Tadaaki Sugino | 1981-04-21 |
| 4194083 | Capacitively coupled tablet | Kiyomi Abe | 1980-03-18 |