Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227828 | Structure for producing diamond and method for manufacturing same | Hideo Aida, Atsuhito Sawabe, Jun Mizuno, Ryuji Oshima | 2025-02-18 |
| 12024792 | Diamond crystal | Seongwoo Kim, Daiki Fujii, Koji Koyama | 2024-07-02 |
| 10493439 | Carbon-containing solid acid having sulfonate group | Hiroshi Shioyama, Hiroaki Sakurai, Qiang Xu, Masato Kiuchi | 2019-12-03 |
| 8115445 | Operation control method and operation control apparatus for variable speed generator-motor | Takashi OYAKE, Yuuken Okano | 2012-02-14 |
| 7915560 | TIG welding equipment and TIG welding methods | Toyoyuki Satou, Koji Nakamura, Hidetoshi Fujii, Shanping Lu, Kiyoshi Nogi | 2011-03-29 |
| 7208695 | Welding shield gas and welding method | Yuuji Igarashi | 2007-04-24 |
| 6924452 | Welding device and method | — | 2005-08-02 |
| 6595402 | Groove shape for single butt welding and inspection method of weld zone thereof | Koji Nakamura | 2003-07-22 |
| 6450392 | Groove shape for single butt welding and inspection method of weld zone thereof | Koji Nakamura | 2002-09-17 |
| 6371359 | Stainless steel pipe and joining method thereof | Koji Nakamura | 2002-04-16 |
| 5765148 | Database processing apparatus and database processing method for variable length objects, and computer-readable memory medium for storing database processing program | — | 1998-06-09 |
| 5643497 | Aqueous zirconia sol and method of preparing same | Takao Kaga, Fumio Saito, Hiroaki Tanaka | 1997-07-01 |
| 5620637 | Preparation of sintered zirconia body | Takao Kaga, Yuzi Hoshi | 1997-04-15 |
| 5460968 | Analytical method and analytical apparatus using test strips | Kasumi Yoshida, Isao Shindo, Susumu Kai | 1995-10-24 |
| 5461700 | Robot control system with a record switch for recording only useful instruction/positional data of a teaching-playback robot | Hiroshi Okumura | 1995-10-24 |
| 5326518 | Preparation of sintered zirconia body | Osamu Minesita, Yukihiko Haneishi, Osamu Tanegashima | 1994-07-05 |
| 5292693 | Slurry composition and sintered part prepared therefrom | Takao Kaga, Yuzi Hoshi | 1994-03-08 |
| 5279995 | Zirconia ceramics | Hiroaki Tanaka, Masamichi Obitsu | 1994-01-18 |
| 5248463 | Preparation of zirconia sintered body | Masamichi Obitsu, Makoto Yoshinari | 1993-09-28 |
| 5150024 | Control system of an industrial robot | Hiroshi Okumura, Hirokata Mihara, Mitsutoshi Yoshida | 1992-09-22 |
| 5103149 | Direct teaching type robot | Hiroshi Okumura, Eiji Matumoto | 1992-04-07 |
| 5051675 | Direct teaching type robot | Hiroshi Okumura, Eizi Matumoto | 1991-09-24 |
| 5003237 | Method of correcting and playing back positional instruction data in a robot | — | 1991-03-26 |
| 4954761 | Control system of an industrial robot | Hiroshi Okumura, Hirokata Mihara, Mitsutoshi Yoshida | 1990-09-04 |
| 4887215 | Method of examining operation of electronic control system for internal combustion engines | Chiaki Kumagai, Shinji Juman, Haruhito Mitomo | 1989-12-12 |