Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10134842 | Heterojunction bipolar transistor | Isao Obu | 2018-11-20 |
| 10046397 | Diamond coated tool | Katsuhito Yoshida, Yuichiro Seki, Kiichi Meguro, Shinji Matsukawa | 2018-08-14 |
| 9997516 | Semiconductor device and power amplifier circuit | Isao Obu, Kaoru IDENO | 2018-06-12 |
| 9967990 | Electronic apparatus | Yohei Fukuma, Tomoaki Takuma, Tetsu Sumii, Keita Hibi | 2018-05-08 |
| 9859405 | Heterojunction bipolar transistor | Isao Obu, Yasunari Umemoto, Masahiro Shibata | 2018-01-02 |