Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11460710 | Optical element and laser irradiation device | — | 2022-10-04 |
| 9989687 | Wave plate having consistent birefringence properties across the visible spectrum and manufacturing method for same | Akio Takada, Nobuyuki Koike, Masatoshi Sasaki, Kazuyuki Shibuya | 2018-06-05 |
| 9746206 | Heat-absorbing material and process for producing same | Akio Takada, Hiroo Yugami, Fumitada Iguchi, Makoto Shimizu | 2017-08-29 |
| 9156699 | Method for producing graphene, and graphene | Jaeho Kim, Masatou Ishihara, Yoshinori Koga, Masataka Hasegawa, Sumio Iijima | 2015-10-13 |
| 8845852 | Polishing pad and method of producing semiconductor device | Masahiko Nakamori, Tetsuo Shimomura, Kazuyuki Ogawa, Atsushi Kazuno, Masahiro Watanabe | 2014-09-30 |
| 8842365 | Phase difference element and method for manufacturing the same | Nobuyuki Koike, Masatoshi Sasaki, Naoki Hanashima, Akio Takada | 2014-09-23 |
| 8779020 | Polishing pad | Atsushi Kazuno, Kazuyuki Ogawa, Masahiko Nakamori, Tetsuo Shimomura | 2014-07-15 |
| 8735907 | Ohmic electrode for use in a semiconductor diamond device | Somu Kumaragurubaran, Shinichi Shikata | 2014-05-27 |
| 8529696 | Method for producing hexagonal boron nitride single crystals | Kenji Watanabe, Takashi Taniguchi, Satoshi Koizumi, Hisao Kanda, Masayuki Katagiri +1 more | 2013-09-10 |
| 8530535 | Polishing pad | Atsushi Kazuno, Kazuyuki Ogawa, Masahiko Nakamori, Tetsuo Shimomura | 2013-09-10 |
| 8318825 | Polishing pad and method of producing the same | Tetsuo Shimomura, Masahiko Nakamori, Takashi Masui, Shigeru Komai, Koichi Ono +3 more | 2012-11-27 |
| 8309466 | Polishing pad | Kazuyuki Ogawa, Tetsuo Shimomura, Yoshiyuki Nakai, Masahiko Nakamori | 2012-11-13 |
| 8304467 | Polishing pad | Atsushi Kazuno, Kazuyuki Ogawa, Masahiko Nakamori, Tetsuo Shimomura | 2012-11-06 |
| 8258603 | Solid-state high-luminance far ultraviolet light emitting element including highly pure hexagonal boron nitride single crystal | Kenji Watanabe, Takashi Taniguchi, Satoshi Koizumi, Hisao Kanda, Masayuki Katagiri +1 more | 2012-09-04 |
| 8148441 | Polishing pad and manufacturing method thereof | Masato Doura, Takeshi Fukuda, Kazuyuki Ogawa, Atsushi Kazuno, Hiroshi Seyanagi +2 more | 2012-04-03 |
| 8075359 | Phosphorus-doped diamond film allowing significantly reduced electron emission voltage, method for producing the same, and electron source using the same | Shinichi Shikata | 2011-12-13 |
| 7960905 | Diamond electron source having carbon-terminated structure | Christoph E. Nebel, Shinichi Shikata | 2011-06-14 |
| 7871309 | Polishing pad | Kazuyuki Ogawa, Tetsuo Shimomura, Atsushi Kazuno, Yoshiyuki Nakai, Masahiro Watanabe +1 more | 2011-01-18 |
| 7762870 | Polishing pad and cushion layer for polishing pad | Koichi Ono, Tetsuo Shimomura, Masahiko Nakamori, Shigeru Komai, Masayuki Tsutsumi | 2010-07-27 |
| 7731568 | Polishing pad and semiconductor device manufacturing method | Tetsuo Shimomura, Masahiko Nakamori, Kazuyuki Ogawa, Atsushi Kazuno, Masahiro Watanabe | 2010-06-08 |
| 7715300 | Diffraction element, objective lens unit, optical pickup and optical disc apparatus | Satoshi Kawakita, Motoo Aiba, Kyu Kanno, Jin Sato | 2010-05-11 |
| 7651761 | Grinding pad and method of producing the same | Tetsuo Shimomura, Masahiko Nakamori, Takashi Masui, Shigeru Komai, Koichi Ono +4 more | 2010-01-26 |
| 7641540 | Polishing pad and cushion layer for polishing pad | Koichi Ono, Tetsuo Shimomura, Masahiko Nakamori, Shigeru Komai, Masayuki Tsutsumi | 2010-01-05 |
| 7488236 | Polishing pad and method of producing the same | Tetsuo Shimomura, Masahiko Nakamori, Shigeru Komai, Koichi Ono, Kazuyuki Ogawa +2 more | 2009-02-10 |
| 7470170 | Polishing pad and method for manufacture of semiconductor device using the same | Tetsuo Shimomura, Atsushi Kazuno, Kazuyuki Ogawa, Yoshiyuki Nakai, Masahiko Nakamori | 2008-12-30 |