Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605090 | Activated clay for treating aromatic hydrocarbons | Noriyuki Takahashi | 2017-03-28 |
| 5633517 | Semiconductor device constituting multi-stage power amplifier | — | 1997-05-27 |
| 4987382 | Microwave integrated circuit having a level shift circuit | — | 1991-01-22 |
| 4963835 | Differential amplifier with an improved gain characteristic in a high frequency region | — | 1990-10-16 |
| 4788989 | Process for the temperature control of a drying apparatus for tobacco leaves | Yutaka Nambu, Hitosi Sugawara | 1988-12-06 |
| 4660298 | Process for the temperature control of a drying apparatus | Yutaka Nambu, Hitosi Sugawara | 1987-04-28 |
| 4587743 | Method of controlling temperature of drying machine | Yutaka Nambu, Hitosi Sugawara | 1986-05-13 |