Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744800 | Defect observing electron microscope | Hiroshi Kakibayashi, Hisaya Murakoshi, Takashi Irie, Jiro Tokita, Keiichi Kanehori +1 more | 1998-04-28 |
| 5401357 | Dry etching method | Tetsuo Ono, Susumu Hiraoka, Keizo Suzuki, Junji Shigeta, Hiroshi Masuda +4 more | 1995-03-28 |
| 5373191 | Semiconductor device and method of producing the same | Toshiyuki Usagawa, Yoshinori Imamura, Shigeo Goto, Masayoshi Kobayashi, Shinichiro Takatani | 1994-12-13 |
| 5181087 | Semiconductor device and method of producing the same | Toshiyuki Usagawa, Yoshinori Imamura, Shigeo Goto, Masayoshi Kobayashi, Shinichiro Takatani | 1993-01-19 |
| 4936252 | Equipment for manufacturing semiconductor devices | Yusuke Yajima, Kanji Tsujii, Seiichi Murayama, Akira Shintani, Yasuo Wada | 1990-06-26 |
| 4729964 | Method of forming twin doped regions of the same depth by high energy implant | Nobuyoshi Natsuaki, Masao Tamura, Yasuo Wada, Kiyonori Ohyu, Tadashi Suzuki +2 more | 1988-03-08 |
| 4693779 | Manufacturing apparatus for semiconductor devices | Yasuo Wada | 1987-09-15 |