Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730124 | Taper thread-cutting spiral pipe tap | Kohichi Saitoh | 2020-08-04 |
| 10700489 | Optical semiconductor device, optical transmitter module, optical module, and optical transmission equipment, and method for manufacturing thereof | Akira Nakanishi, Noriko Sasada | 2020-06-30 |
| 10598677 | Smear transporting apparatus, smear image capture system, and smear analysis system | Katsuaki Yamaguchi, Tetsuya Oda, Seiya Shinabe, Mitsuo Yamasaki | 2020-03-24 |
| 10562118 | Tapered pipe thread-machining spiral tap | — | 2020-02-18 |