Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081863 | Reflector antenna | Yoshio Inasawa, Shinji Kuroda, Yoshihiko Konishi, Shigeru Makino, Izuru Naito | 2006-07-25 |
| 7009574 | Plural-reflector antenna system | Izuru Naito, Toshiyuki Horie, Syuji Nuimura | 2006-03-07 |
| 5721145 | Method of making a semiconductor substrate having gettering effect | Yoshiko Kokawa, Masahiro Sekine | 1998-02-24 |
| 5539245 | Semiconductor substrate having a gettering layer | Makoto Imura | 1996-07-23 |
| 5516706 | Method of manufacturing semiconductor device with a gettering sink material layer | — | 1996-05-14 |
| 5419786 | Semiconductor substrate for bipolar element | Yoshiko Kokawa | 1995-05-30 |
| 5381032 | Semiconductor device having a gate electrode of polycrystal layer and a method of manufacturing thereof | Yoshiko Kokawa, Tohru Koyama, Katsuhiko Tamura, Yasuna Nakamura | 1995-01-10 |
| 5374842 | Semiconductor device with a gettering sink material layer | — | 1994-12-20 |
| 5327007 | Semiconductor substrate having a gettering layer | Makoto Imura | 1994-07-05 |
| 5221630 | Method of manufacturing semiconductor device having a two layered structure gate electrode | Tohru Koyama, Katsuhiko Tamura, Yasuna Nakamura, Yoshiko Kokawa | 1993-06-22 |
| 5177569 | Semiconductor device having a two layered structure gate electrode | Tohru Koyama, Katsuhiko Tamura, Yasuna Nakamura, Yoshiko Kokawa | 1993-01-05 |
| 4964969 | Semiconductor production apparatus | Keiji Yamauchi | 1990-10-23 |
| 4876224 | Silicon wafer for a semiconductor substrate and the method for making the same | — | 1989-10-24 |
| 4616289 | Ceramic high dielectric composition | Gen Itakura, Tadayoshi Ushijima, Takayuki Kuroda | 1986-10-07 |