Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331408 | Surface-treated steel sheet | Yoshikatsu NISHIDA, Shin Ueno, Hiromasa Shoji | 2025-06-17 |
| 10848471 | Communication apparatus, communication method, and program | Atsushi Okada | 2020-11-24 |
| 10202676 | Method for producing hot-dip Zn alloy-plated steel sheet | Masanori Matsuno, Masaya Yamamoto, Hirofumi Taketsu | 2019-02-12 |
| 10167542 | Method for producing hot-dip Zn alloy-plated steel sheet | Masanori Matsuno, Masaya Yamamoto, Hirofumi Taketsu | 2019-01-01 |
| 10125414 | Method of producing hot-dip Zn alloy-plated steel sheet | Masanori Matsuno, Masaya Yamamoto, Hirofumi Taketsu | 2018-11-13 |
| 8778814 | Silicon oxycarbide, growth method of silicon oxycarbide layer, semiconductor device and manufacture method for semiconductor device | Tamotsu Owada, Shun-ichi Furuyama, Hirofumi Watantani, Kengo Inoue | 2014-07-15 |
| 8413258 | Optical information recording medium, information recording method for optical information recording medium and optical information recording device | — | 2013-04-02 |
| 8349722 | Silicon oxycarbide, growth method of silicon oxycarbide layer, semiconductor device and manufacture method for semiconductor device | Tamotsu Owada, Shun-ichi Fukuyama, Hirofumi Watatani, Kengo Inoue | 2013-01-08 |
| 8018822 | Optical information recording medium | Takeshi Otsu, Fumi Hara, Shinichi Kojo, Motomitsu Hagiwara | 2011-09-13 |
| 7936661 | Optical information recording medium | Shinichi Kojo | 2011-05-03 |
| 7903535 | Optical information recording medium and manufacturing method of the same | Toru Fujii, Masashi Satoh, Isao Okitsu | 2011-03-08 |
| 7485570 | Silicon oxycarbide, growth method of silicon oxycarbide layer, semiconductor device and manufacture method for semiconductor device | Tamotsu Owada, Shun-ichi Fukuyama, Hirofumi Watatani, Kengo Inoue | 2009-02-03 |
| 6990049 | Optical information recording medium, method for recording/reproducing the same, and optical pickup | Yoshikazu Takagishi, Ryuichi Sunagawa, Keiichi Ida, Mitsuo Sekiguchi, Isao Matsuda | 2006-01-24 |
| 6949830 | Silicon oxycarbide, growth method of silicon oxycarbide layer, semiconductor device and manufacture method for semiconductor device | Tamotsu Owada, Shun-ichi Fukuyama, Hirofumi Watatani, Kengo Inoue | 2005-09-27 |
| 6874156 | Optical information recording medium | Yoshikazu Takagishi, Ryuichi Sunagawa, Keiichi Ida, Mitsuo Sekiguchi, Isao Matsuda | 2005-03-29 |
| 6813232 | Optical information recording/reproducing method and device therefor | Ryuichi Sunagawa, Hironobu Shimizu | 2004-11-02 |
| 6792613 | Optical information recording medium | Yoshikazu Takagishi, Ryuichi Sunagawa, Keiichi Ida, Mitsuo Sekiguchi, Isao Matsuda | 2004-09-14 |
| 6208601 | Optical information recording method and apparatus | Akira Negishi, Ryuichi Sunagawa | 2001-03-27 |