Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708356 | Apparatus for supplying stabilized power to a load having voltage-current characteristics exhibiting partial negative resistance | — | 1998-01-13 |
| 4725938 | High voltage resonant DC/DC converter | — | 1988-02-16 |
| 4706268 | Digital radiography apparatus | — | 1987-11-10 |
| 4698743 | Resonance inverter with control means for detecting peak voltage and having a starting circuit | Youichi Masuda | 1987-10-06 |
| 4680534 | Drive method for switching power converter and apparatus using this method | Yoshio Tanaka | 1987-07-14 |
| 4614999 | High voltage pulsed power supply with time limiting nonlinear feedback | Shigeru Tanaka, Sunao Matsumoto | 1986-09-30 |
| 4595973 | Switching power supply | Youichi Masuda | 1986-06-17 |
| 4573184 | Heating circuit for a filament of an X-ray tube | Shigeru Tanaka | 1986-02-25 |
| 4443839 | Single ended, separately driven, resonant DC-DC converter | Youichi Masuda | 1984-04-17 |
| 4424459 | High frequency switching circuit | Koichiro Inomata, Michio Hasegawa | 1984-01-03 |
| 4417153 | High frequency switching circuit | Youichi Masuda, Akira Nakajima, Yoshio Takamura, Seiji Kajiwara, Shoichi Higo | 1983-11-22 |
| 4401902 | High frequency switching circuit | Youichi Masuda, Akira Nakajima, Yoshio Takamura, Seiji Kajiwara, Shoichi Higo | 1983-08-30 |
| 4399376 | High frequency switching circuit | Koichiro Inomata, Michio Hasegawa, Yoshio Takamura, Seiji Kajiwara, Shoichi Higo | 1983-08-16 |
| 4383292 | Single-ended switching converter | Youichi Masuda, Akira Nakajima | 1983-05-10 |
| 4318164 | High frequency switching circuit having preselected parameters to reduce power dissipation therein | Youichi Masuda, Akira Nakajima | 1982-03-02 |