Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222426 | Branching filter with a composite circuit of an LC circuit and a serial arm saw resonator | Tomokazu Komazaki, Hajime Shimamura | 2001-04-24 |
| 6208223 | Receiving filter of a saw separator with greater electrode interdigitated width in first stage parallel resonator | Hajime Shimamura, Masaaki Umezawa, Tomokazu Komazaki | 2001-03-27 |
| 6119816 | Emergency stop releasing method for elevator | — | 2000-09-19 |
| 5289902 | Elevator | — | 1994-03-01 |
| 5007956 | Assembled cam shaft | Satoshi Kawai, Shunsuke Takeguchi | 1991-04-16 |
| 4891972 | Ultrasonic joint inspection device and method | Takashi Kawaguchi, Satoshi Kawai | 1990-01-09 |
| 4817420 | Method and device for examination of a joint of a ultrasonic joint inspection device and method | Takashi Kawaguchi, Satoshi Kawai | 1989-04-04 |
| 4730581 | Hollow cam shaft | Tatsumi Yunokawa | 1988-03-15 |
| 4696696 | Sintered alloy having improved wear resistance property | Satoshi Kawai | 1987-09-29 |
| 4612695 | Method of manufacturing a hollow cam shaft | Genkichi Umeha, Atsushi Shimura | 1986-09-23 |