Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661066 | Semiconductor integrated circuit | Toyoki Takemoto, Haruyasu Yamada, Tsutomu Fujita | 1997-08-26 |
| 5077227 | Semiconductor device and method for fabricating the same | Shuichi Kameyama | 1991-12-31 |
| 5066602 | Method of making semiconductor IC including polar transistors | Toyoki Takemoto, Haruyasu Yamada, Tsutomu Fujita | 1991-11-19 |
| 4954454 | Method for fabricating a polycrystalline silicon resistor | Kazuhiro Kobushi, Shuichi Kameyama | 1990-09-04 |
| 4910575 | Semiconductor integrated circuit and its manufacturing method | Kazuya Kikuchi, Hiroyuki Sakai | 1990-03-20 |
| 4839302 | Method for fabricating bipolar semiconductor device | Shuichi Kameyama, Kazuhiro Kobushi, Hiroyuki Sakai | 1989-06-13 |
| 4826780 | Method of making bipolar transistors | Toyoki Takemoto, Haruyasu Yamada, Tsutomu Fujita | 1989-05-02 |
| 4693782 | Fabrication method of semiconductor device | Kazuya Kikuchi, Tsutomu Fujita | 1987-09-15 |
| 4621275 | Solid-state imaging device | Atushi Ueno | 1986-11-04 |
| 4493740 | Method for formation of isolation oxide regions in semiconductor substrates | — | 1985-01-15 |
| 4459496 | Semiconductor integrated circuit having stacked integrated injection logic circuits | Haruyasu Yamada, Toyoki Takemoto, Tsutomu Fujita, Yuichi Hirofuji, Hiroyuki Sakai | 1984-07-10 |
| 4233615 | Semiconductor integrated circuit device | Toyoki Takemoto, Haruyasu Yamada, Michihiro Inoue | 1980-11-11 |
| 4204894 | Process for fabrication of semiconductors utilizing selectively etchable diffusion sources in combination with melt-flow techniques | Kazufumi Ogawa | 1980-05-27 |