Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972116 | Light source display tube | Kazunori Tatsuda, Masaaki Kobayashi, Mitsuru Masuda, Hiroshi Kamogawa, Zenichiro Hara +3 more | 1990-11-20 |
| 4970430 | Fluorescent display apparatus | Hiroshi Kamogawa, Kazunori Tatsuda, Zenichiro Hara, Shuji Iwata, Nobuo Terazaki | 1990-11-13 |