Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391599 | Glass composition for chemical strengthening and chemically strengthened glass article | Akira KITAYAMA | 2025-08-19 |
| 11840477 | Glass composition, glass fiber, glass cloth, and method for producing glass fiber | Aya Nakamura, Hidetoshi Fukuchi, Riku Sawai, Takaharu Miyazaki, Yoshito NAWA +1 more | 2023-12-12 |
| 11773009 | Glass composition, glass fiber, glass cloth, and method for producing glass fiber | Aya Nakamura, Hidetoshi Fukuchi, Riku Sawai, Takaharu Miyazaki, Yoshito NAWA +1 more | 2023-10-03 |
| 10717670 | Glass for laser processing and method for producing perforated glass using same | Teruhide Inoue | 2020-07-21 |
| 9783451 | Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display | Aya Nakamura | 2017-10-10 |
| 9764980 | Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display | Yutaka SENSHU | 2017-09-19 |
| 9688565 | Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display | Yutaka SENSHU | 2017-06-27 |
| 9688573 | Glass composition, chemically strengthened glass, and glass substrate for information recording medium | Yutaka SENSHU | 2017-06-27 |
| 8741794 | Glass substrate for display and display | Akihiro Koyama, Yoichi Hachitani | 2014-06-03 |
| 8383530 | Glass substrate for display and display | Akihiro Koyama, Yoichi Hachitani | 2013-02-26 |
| 7838452 | Ultraviolet ray transmitting glass composition and glass article making use of the same | Koji Fujita, Haruki Niida, Akihiro Koyama | 2010-11-23 |
| 7781354 | Glass composition and method for production thereof, and glass substrate for information display device and information display device using the same | Akihiro Koyama | 2010-08-24 |
| 7767607 | Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same | Akihiro Koyama, Nobuyuki Yamamoto | 2010-08-03 |
| 7763559 | Glass substrate for display and display | Akihiro Koyama, Yoichi Hachitani | 2010-07-27 |
| 7727407 | Amorphous material processing method | Kazuishi Mitani, Yasuhiro Saito, Hiroyuki Inomata | 2010-06-01 |
| 7407889 | Method of manufacturing article having uneven surface | Keiji Tsunetomo, Shinya Okamoto, Yasuhiro Saito, Akihiro Koyama, Hirotaka Koyo +4 more | 2008-08-05 |
| 7354526 | Processing method for glass substrate, processed glass product and stress applying apparatus | Takeshi Hidaka, Hiroaki KASAI, Masamichi Hijino, Yasushi Nakamura, Akihiro Koyama +4 more | 2008-04-08 |
| 7309671 | Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same | Akihiro Koyama, Nobuyuki Yamamoto | 2007-12-18 |
| 7273668 | Glass composition including zirconium, chemically strengthened glass article, glass substrate for magnetic recording media, and method of producing glass sheet | Akihiro Koyama | 2007-09-25 |
| 7040953 | Substrate for information recording media and manufacturing method thereof, and information recording medium | Kensuke Matsuno, Takeo Watanabe | 2006-05-09 |
| 6913702 | Amorphous material processing method and glass substrate | Kazuishi Mitani, Yasuhiro Saito, Hiroyuki Inomata | 2005-07-05 |
| 6821893 | Method of manufacturing a substrate for information recording media | Kazuishi Mitani, Yasuhiro Saito | 2004-11-23 |
| 6743529 | Process for producing glass substrate for magnetic recording medium and glass substrate for magnetic recording medium obtained by the same | Yasuhiro Saito, Hiroshi Ikeda, Kazuishi Mitani | 2004-06-01 |
| 6576353 | Glass substrate for use as information recording medium and method of manufacturing such glass substrate | Kazuishi Mitani, Yasuhiro Saito, Koichi Ataka, Akihiro Koyama, Nobuyuki Yamamoto +1 more | 2003-06-10 |
| 6550278 | Method of manufacturing glass substrate for use as information recording medium | Kazuishi Mitani, Yasuhiro Saito, Koichi Ataka, Akihiro Koyama, Nobuyuki Yamamoto +1 more | 2003-04-22 |