Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354506 | Intracranial pressure gauge | Kunihiko Osaka, Shigenori Hokari, Kenichi Takahashi | 1982-10-19 |
| 4317908 | Process for producing dioxazine violet pigment | Yoshiaki Hayashi | 1982-03-02 |