Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349766 | Directly heated cathode for electron tube | Hisashi Ando, Hiroshi Sakamoto, Akira Misumi, Hiroshi Fukushima | 1982-09-14 |
| 4319397 | Method of producing semiconductor displacement transducer | Masanori Tanabe, Satoshi Shimada, Akio Yasukawa, Hideyuki Nemoto, Motohisa Nishihara +1 more | 1982-03-16 |
| 4310777 | Directly heated cathode for electron tube | Hiroshi Fukushima, Hisashi Ando, Shigehiko Yamamoto, Toshiyuki Aida | 1982-01-12 |