Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046397 | Diamond coated tool | Katsuhito Yoshida, Shigeru Yoshida, Kiichi Meguro, Shinji Matsukawa | 2018-08-14 |
| 9963801 | Single crystal diamond and diamond tool | Yoshiki Nishibayashi, Akihiko Ueda, Hitoshi Sumiya, Yutaka Kobayashi, Toshiya Takahashi | 2018-05-08 |
| 9957640 | Single crystal diamond and diamond tool | Yoshiki Nishibayashi, Akihiko Ueda, Hitoshi Sumiya, Yutaka Kobayashi, Toshiya Takahashi | 2018-05-01 |
| 9731355 | Diamond coated tool | Katsuhito Yoshida, Shigeru Yoshida, Kiichi Meguro, Shinji Matsukawa | 2017-08-15 |
| 9302327 | Diamond coated tool | Katsuhito Yoshida, Shigeru Yoshida, Kiichi Meguro, Shinji Matsukawa | 2016-04-05 |
| 7314540 | Diamond-coated electrode and method for producing same | Kenji Izumi, Takahiro Imai | 2008-01-01 |
| 6448688 | Hard carbon film and surface-acoustic-wave substrate | Satoshi Fujii, Tomoki Uemura, Hideaki Nakahata, Shinichi Shikata | 2002-09-10 |
| 6428399 | Polishing apparatus for polishing a hard material-coated wafer | Keiichiro Tanabe, Akihoko Ikegaya, Naoji Fujimori | 2002-08-06 |
| 6416865 | Hard carbon film and surface acoustic-wave substrate | Satoshi Fujii, Tomoki Uemura, Hideaki Nakahata, Shinichi Shikata | 2002-07-09 |
| 6356006 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2002-03-12 |
| 6320296 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2001-11-20 |
| 6210780 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2001-04-03 |
| 6193585 | Method of polishing a hard material-coated wafer | Keiichiro Tanabe, Akihoko Ikegaya, Naoji Fujimori | 2001-02-27 |
| 6051063 | Diamond wafer and method of producing a diamond wafer | Keiichiro Tanabe, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata, Shin-ichi Shikata | 2000-04-18 |
| 5964942 | Wafer and method of producing same | Keiichiro Tanabe, Akihiko Ikegaya, Naoji Fujimori, Takashi Tsuno | 1999-10-12 |
| 5874130 | Wafer and method of producing a wafer | Keiichiro Tanabe, Naoji Fujimori | 1999-02-23 |
| 5855998 | Hard material-coated wafer, method of making same, polishing apparatus and polishing method of hard material-coated wafer | Keiichiro Tanabe, Akihoko Ikegaya, Naoji Fujimori | 1999-01-05 |
| 5776246 | Diamond wafer and method of producing a diamond wafer | Keiichiro Tanabe, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata, Shin-ichi Shikata | 1998-07-07 |
| 5736226 | Wafer and method of producing a wafer | Keiichiro Tanabe, Naoji Fujimori | 1998-04-07 |