Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D339177 | Loop and string puzzle | — | 1993-09-07 |
| 4796155 | Liquid cooling type high frequency solid state device | Naofumi Okubo, Yoshiaki Kaneko, Yasuyuki Tokumitsu | 1989-01-03 |
| 4686494 | Cavity resonator coupling type power distributor/power combiner comprising coupled input and output cavity resonators | Yoshiaki Kaneko, Naofumi Okubo | 1987-08-11 |
| 4598254 | Microwave power distributing and synthesizing device and microwave power amplifying apparatus including the same | Naofumi Okubo, Yoshiaki Kaneko, Yasuyuki Tokumitsu | 1986-07-01 |
| 4588962 | Device for distributing and combining microwave electric power | Yasuyuki Tokumitsu, Naofumi Okubo, Yoshimasa Daido, Hiroshi Kurihara | 1986-05-13 |
| 4562409 | Cavity resonator coupling-type power distributor/power combiner | Naofumi Okubo, Yoshiaki Kaneko | 1985-12-31 |