Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890481 | System for measuring foreign materials in liquid | Shigeru Wakana, Akira Misumi, Yoshifumi Tomita, Yutaka Hiratsuka | 1990-01-02 |
| 4779451 | System for measuring foreign materials in liquid | Shigeru Wakana, Akira Misumi, Yoshifumi Tomita, Yutaka Hiratsuka | 1988-10-25 |
| 4723091 | Technique for preventing reflections in a cathode ray tube | Hiromitsu Kawamura, Akira Misumi, Katsumi Kobara, Yoshiyuki Odaka | 1988-02-02 |
| 4717853 | Projection tube whose coolant contains an ethylene oligomer | Hiroko Wakui, Shigeru Wakana, Toshikazu Morishita, Akira Misumi | 1988-01-05 |
| 4481265 | Photovoltaic-storage battery device | Akira Misumi, Kenkichi Suzuki, Masaharu Kumada | 1984-11-06 |