Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140213 | Semiconductor wafer and method of manufacturing same | Ritsuo Takizawa, Takahisa Kusaka, Hideo Kanbe, Masanori Ohashi | 2000-10-31 |
| 5874348 | Semiconductor wafer and method of manufacturing same | Ritsuo Takizawa, Takahisa Kusaka, Hideo Kanbe, Masanori Ohashi | 1999-02-23 |
| 5734195 | Semiconductor wafer for epitaxially grown devices having a sub-surface getter region | Ritsuo Takizawa, Takahisa Kusaka, Hideo Kanbe, Masanori Ohashi | 1998-03-31 |
| 5160988 | Semiconductor device with composite surface insulator | Souichi Sugiura | 1992-11-03 |
| 5106780 | Semiconductor device and method of manufacturing the same | — | 1992-04-21 |
| 5014109 | Miniaturization of a contact hole in a semiconductor device | — | 1991-05-07 |
| 4684740 | Production of 2,6-bis (4-hydroxy-3,5-dimethoxyphenyl-3,7-dioxabicyclo (3.3.0) octane | Mitsuhiko Tanahashi, Motoo Mastukura | 1987-08-04 |
| 4570325 | Manufacturing a field oxide region for a semiconductor device | — | 1986-02-18 |