Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886709 | Member for semiconductor apparatus | Akira Sasame, Hitoyuki Sakanoue, Masaya Miyake, Akira Yamakawa, Yasuhisa Yushio | 1989-12-12 |
| 4794798 | Device for measuring Young's modulus and internal friction of specimen | Ken-ichi Matsushita, Taira Okamoto, Masahiko Shimada | 1989-01-03 |