Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737082 | Method of electro-optical measurement for vector components of electric fields and an apparatus thereof | Taro Itatani, Tadashi Nakagawa, Yoshinobu Sugiyama | 1998-04-07 |
| 4855013 | Method for controlling the thickness of a thin crystal film | Tadashi Nakagawa, Takeshi Kojima, Tsunenori Sakamoto, Naoyuki Kawai | 1989-08-08 |
| 4620206 | Semiconductor device | Tadashi Nakagawa, Naoyuki Kawai, Takeshi Kojima, Mitsuo Kawashima | 1986-10-28 |
| 4236165 | Planar semiconductor device | Mitsuo Kawashima, Shoei Kataoka | 1980-11-25 |