Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11329644 | Gate drive apparatus, switching apparatus, and gate drive method | Kunio Matsubara | 2022-05-10 |
| 11271560 | Gate drive device and switching device | Kunio Matsubara | 2022-03-08 |
| 11205948 | Gate driver and power converter | Kunio Matsubara | 2021-12-21 |
| 11196336 | Gate drive apparatus and switching apparatus | Kunio Matsubara | 2021-12-07 |
| 11115017 | Driving apparatus and switching apparatus | Kunio Matsubara | 2021-09-07 |
| 11056965 | Gate driver and power converter | Kunio Matsubara | 2021-07-06 |
| 10855272 | Gate drive apparatus, switching apparatus, and gate drive method | Kunio Matsubara | 2020-12-01 |
| 10819212 | Gate driver and power converter | Kunio Matsubara | 2020-10-27 |
| 10637465 | Driving device and switching device | Kunio Matsubara | 2020-04-28 |
| 10608626 | Driving apparatus and semiconductor device | Kunio Matsubara | 2020-03-31 |
| 10547300 | Driving device and switching device | Kunio Matsubara | 2020-01-28 |
| 7916393 | Optical level control device, method for controlling same, and laser application device | Yoshinori Ohta | 2011-03-29 |
| 7804644 | Optical level control device, method for controlling same, and laser application device | Yoshinori Ohta | 2010-09-28 |
| 6278681 | Optical head, method of fabricating optical head, and apparatus for fabricating optical head | — | 2001-08-21 |
| 6014359 | Optical head with a polarizing diffractive element | — | 2000-01-11 |
| 5953295 | Focusing error detecting equipment | — | 1999-09-14 |
| 5757755 | Data reading/writing optical head with holographic coupler | — | 1998-05-26 |
| 5701289 | Optical head with hologram couplers for reading and writing data | — | 1997-12-23 |
| 5680385 | Optical head with a heat sink | — | 1997-10-21 |