Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439677 | Maintenance apparatus for medical hand piece | Makoto Numakawa, Shigehiko Inoue, Makoto Kawakami | 2013-05-14 |
| 7329123 | Air-driven cutting device for medical treatment | Noriyuki Tanaka, Shozo Nakayama, Naruo Wada | 2008-02-12 |
| 7048540 | Air-driven cutting device for medical treatment | Shozo Nakayama, Noriyuki Tanaka | 2006-05-23 |
| 5993209 | Periodontal pocket measurement apparatus | Kazunari Matoba, Hiroaki Kusakabe | 1999-11-30 |
| 5902108 | Air turbine handpiece | Shozo Nakayama, Haruo Ogawa, Makoto Numakawa, Hajime Yokota | 1999-05-11 |