Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300355 | Boil-off gas supply device | Katsuhiro SEYAMA, Kenji Nagura | 2022-04-12 |
| 10364810 | Reciprocating compressor, compression section unit, and maintenance method of reciprocating compressor | Kenji Nagura, Katsuhiro SEYAMA | 2019-07-30 |
| 5823775 | Practical cutting bur and method of training using same for the cutting of human teeth | Masao Aono, Kohji Yamamoto, Kanji Matsutani | 1998-10-20 |
| 5816807 | Rotary drilling instrument | Kanji Matsutani, Kaoru Ohgane | 1998-10-06 |
| 4869788 | Dental diamond bar and manufacturing method thereof | Kanji Matsutani | 1989-09-26 |