Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D604273 | Bone conduction earphone | Mitsuo Tamura, Masako Takashima, Hiroshi Nashihara, Hiroki Umeda | 2009-11-17 |
| 6503995 | Method of producing crosslinkable silyl group-containing polyoxyalkylene polymers | Ryotaro Tsuji, Yousuke Asai, Masayuki Fujita, Susumu Kyotani, Takeshi Kawamura +2 more | 2003-01-07 |
| 5521851 | Noise reduction method and apparatus | Daming Wei, Eishi Harasawa | 1996-05-28 |
| 5180931 | Sampling method and circuit | — | 1993-01-19 |
| 4530365 | Physiological signal amplifier circuitry | Takeshi Kojima | 1985-07-23 |
| 4518941 | Pulse transformer for switching power supplies | — | 1985-05-21 |