Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252505 | Method for manufacturing a semiconductor device | Takaaki Hagiwara, Ryuji Kondo, Shinichi Minami, Yokichi Itoh | 1993-10-12 |
| 5177584 | Semiconductor integrated circuit device having bipolar memory, and method of manufacturing the same | Akihisa Uchida, Katsumi Ogiue, Kazuo Nakazato, Takahiro Onai | 1993-01-05 |
| 5114870 | Method for manufacturing field effect transistors | Takaaki Hagiwara, Ryuji Kondo, Shinichi Minami, Yokichi Itoh | 1992-05-19 |
| 5057445 | Method of making a high-voltage, low on-resistance IgFET | Ching-Fa Yeh | 1991-10-15 |
| 4989224 | Coincidence circuit | Mitsumasa Narahara, Kazumi Yamauchi, Shinichi Yasunaga, Fujio Moriguchi, Nobuhisa Kato | 1991-01-29 |
| 4961101 | Semiconductor MOSFET device with offset regions | Ching-Fa Yeh | 1990-10-02 |
| 4851364 | Method of forming well regions for field effect transistors utilizing self-aligned techniques | Takaaki Hagiwara, Ryuji Kondo, Shinichi Minami, Yokichi Itoh | 1989-07-25 |
| 4818719 | Method of manufacturing an integrated CMOS of ordinary logic circuit and of high voltage MOS circuit | Ching-Fa Yeh, Yasunao Misawa | 1989-04-04 |
| 4668970 | Semiconductor device | Takaaki Hagiwara, Masatada Horiuchi, Shinichi Minami, Toru Kaga | 1987-05-26 |
| 4654828 | Nonvolatile semiconductor memory | Takaaki Hagiwara, Yokichi Itoh, Ryuji Kondo, Shinichi Minami | 1987-03-31 |
| 4653025 | Random access memory with high density and low power | Osamu Minato, Masakazu Aoki, Katsuaki Takagi, Masashi Horiguchi | 1987-03-24 |
| 4586238 | Method of manufacturing field-effect transistors utilizing self-aligned techniques | Takaaki Hagiwara, Ryuji Kondo, Shinichi Minami, Yokichi Itoh | 1986-05-06 |
| 4514830 | Defect-remediable semiconductor integrated circuit memory and spare substitution method in the same | Takaaki Hagiwara, Masatada Horiuchi, Ryuji Kondo, Shinichi Minami | 1985-04-30 |
| 4460980 | Nonvolatile MNOS semiconductor memory | Takaaki Hagiwara, Yokichi Itoh, Ryuji Kondo, Shinichi Minami | 1984-07-17 |
| 4443718 | Nonvolatile semiconductor memory with stabilized level shift circuit | Takaaki Hagiwara | 1984-04-17 |
| 4264376 | Method for producing a nonvolatile memory device | Shinichi Minami, Ryuji Kondo, Takaaki Hagiwara, Yokichi Itoh | 1981-04-28 |