Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976677 | Surface coating and method of applying the same | Hironori Umeda, Kazuo Hironaka, Tadamitsu Nakahama, Takakazu Yamane, Makoto Aizawa +1 more | 1999-11-02 |
| 5702578 | Method of applying a surface coating | Hironori Umeda, Kazuo Hironaka, Tadamitsu Nakahama, Takakazu Yamane, Makoto Aizawa +1 more | 1997-12-30 |
| 4639868 | Control method for drilling apparatus which makes use of a final drilling pattern transformed from primary and secondary patterns | Kazumoto Tanaka, Osamu Sato, Toyohiko Kobayashi | 1987-01-27 |
| 4508035 | Explosive charging apparatus for rock drilling | Osamu Satoh | 1985-04-02 |
| 4501199 | Automatically controlled rock drilling apparatus | Takashi Nishio, Osamu Satoh | 1985-02-26 |
| 4266171 | Advance control system for use in a drilling apparatus | — | 1981-05-05 |