Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275931 | Medical irradiation apparatus | Naoki Katsuda, Kazunari Matoba | 2007-10-02 |
| 5902108 | Air turbine handpiece | Shozo Nakayama, Makoto Numakawa, Hirofumi Jikuhara, Hajime Yokota | 1999-05-11 |
| 5591028 | Dental cutting tool holder | Setsuo Fujiki, Shozo Nakayama, Makoto Numakawa, Minoru Hayashida, Suezo Inoue +1 more | 1997-01-07 |
| 5355523 | Wireless transmission/reception system including transmitting terminal producing multiple frequency local oscillation signals and receiving terminal storing a local oscillation signal | Haruhiro Kuboyama, Hirofumi Konishi, Toshiaki Inage, Shinji Morino, Yoshiaki Ueno +2 more | 1994-10-11 |
| 4877957 | Scanning type tunnel microscope | Takao Okada, Toshihito Kouchi, Shuzo Mishima, Seizo Morita, Nobuo Mikoshiba | 1989-10-31 |
| 4406470 | Chuck device for dental handpiece | Kenzo Kataoka, Hiroo Watanabe | 1983-09-27 |
| 4218216 | Method of lubricating dental hand-piece and small-sized oiler for use therein | Hiroshi Sugai | 1980-08-19 |
| 4189836 | Chuck for dental hand-piece | Hiroshi Sugai | 1980-02-26 |