Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7196240 | Method and equipment for making polychlorobiphenyl nontoxic | Hirofusa Shirai, Mutsumi Kimura, Kenji Hanabusa, Toshihiro Hirai | 2007-03-27 |
| 6289739 | Sacrificial specimen for use in monitoring long-term stress intensity of structure and method of using the same | Yukio Fujimoto, Eiji Shintaku | 2001-09-18 |
| 5029298 | Transmitter circuit | Yutaka Chiba | 1991-07-02 |
| 4792939 | Duplex radio communication transceiver | Mitsutaka Hikita, Atsushi Sumioka, Yoshikatu Ishida, Yutaka Chiba, Yoshio Abe | 1988-12-20 |