Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34025 | Semiconductor device with isolation between MOSFET and control circuit | Yosuke Takagi, Yu Ohata, Koichi Kitahara | 1992-08-11 |
| 5065212 | Semiconductor device | Yu Ohata | 1991-11-12 |
| 4948748 | Manufacture of a substrate structure for a composite semiconductor device using wafer bonding and epitaxial refill | Koichi Kitahara, Yu Ohata | 1990-08-14 |
| 4879584 | Semiconductor device with isolation between MOSFET and control circuit | Yosuke Takagi, Yu Ohata, Koichi Kitahara | 1989-11-07 |
| 4837186 | Silicon semiconductor substrate with an insulating layer embedded therein and method for forming the same | Yu Ohata, Masaru Shimbo | 1989-06-06 |