Issued Patents All Time
Showing 51–75 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898161 | Diamond electron radiation cathode, electron source, electron microscope, and electron beam exposer | Yoshiyuki Yamamoto, Akihiko Ueda, Yoshiki Nishibayashi | 2011-03-01 |
| 7892356 | Diamond composite substrate and process for producing the same | Kiichi Meguro, Yoshiyuki Yamamoto | 2011-02-22 |
| 7883775 | Diamond film coated tool and process for producing the same | Katsuo Kazahaya, Shigetaka Kawai, Yasushi Matsumoto, Keiji Ishibashi | 2011-02-08 |
| 7863805 | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device | Yoshiyuki Yamamoto, Akihiko Ueda, Yoshiki Nishibayashi | 2011-01-04 |
| 7807126 | Diamond single crystal substrate | Kiichi Meguro, Yoshiyuki Yamamoto | 2010-10-05 |
| 7771693 | Diamond single crystal substrate manufacturing method | Kiichi Meguro, Yoshiyuki Yamamoto | 2010-08-10 |
| 7737614 | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device | Akihiko Ueda, Yoshiyuki Yamamoto, Yoshiki Nishibayashi | 2010-06-15 |
| 7710013 | Electron emitting device with projection comprising base portion and electron emission portion | Natsuo Tatsumi, Akihiko Namba, Yoshiki Nishibayashi | 2010-05-04 |
| 7655208 | Single crystalline diamond and producing method thereof | Kiichi Meguro, Yoshiyuki Yamamoto | 2010-02-02 |
| 7615203 | Single crystal diamond | Yoshiyuki Yamamoto, Kiichi Meguro | 2009-11-10 |
| 7615181 | Rubber injection molding device and rubber product manufacturing method | Yukio Inukai, Shigeki Kato, Takahiro Aoi, Norihito Kimura, Yuki Akatsuka +1 more | 2009-11-10 |
| 7534360 | Method of making diamond product and diamond product | Yoshiki Nishibayashi, Kiichi Meguro, Yutaka Ando | 2009-05-19 |
| 7524372 | Method for manufacturing diamond single crystal substrate | Kiichi Meguro, Yoshiyuki Yamamoto | 2009-04-28 |
| 7481879 | Diamond single crystal substrate manufacturing method and diamond single crystal substrate | Kiichi Meguro, Yoshiyuki Yamamoto | 2009-01-27 |
| 7476895 | Method of fabricating n-type semiconductor diamond, and semiconductor diamond | Akihiko Namba, Yoshiki Nishibayashi | 2009-01-13 |
| 7432521 | Logical operation element field emission emitter and logical operation circuit | Natsuo Tatsumi, Yoshiki Nishibayashi, Tsuneo Nakahara | 2008-10-07 |
| 7418109 | Diaphragm structure of light sound converter | Yoshio Sakamoto | 2008-08-26 |
| 7413935 | Semiconductor device and method of fabricating the same | — | 2008-08-19 |
| 7407549 | Diamond single crystal composite substrate and method for manufacturing the same | Kiichi Meguro, Yoshiyuki Yamamoto | 2008-08-05 |
| 7390695 | Diamond substrate and manufacturing method thereof | Kiichi Meguro, Keisuke Tanizaki, Akihiko Namba, Yoshiyuki Yamamoto | 2008-06-24 |
| 7391145 | Cold-cathode electron source, microwave tube using it, and production method thereof | Natsuo Tatsumi | 2008-06-24 |
| 7323812 | Process for producing diamond electron emission element and electron emission element | Natsuo Tatsumi, Akihiko Namba, Yoshiki Nishibayashi | 2008-01-29 |
| 7314540 | Diamond-coated electrode and method for producing same | Yuichiro Seki, Kenji Izumi | 2008-01-01 |
| 7307377 | Electron emitting device with projection comprising base portion and electron emission portion | Natsuo Tatsumi, Akihiko Namba, Yoshiki Nishibayashi | 2007-12-11 |
| 7255744 | Low-resistivity n-type semiconductor diamond and method of its manufacture | Akihiko Namba, Hisao Takeuchi | 2007-08-14 |