Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330984 | Glass and optical element | Koichi Sato, Yoshitake Tanno | 2025-06-17 |
| 11774649 | Optical element and optical apparatus | Toshiki Nakamura, Yutaka Takakubo, Yoshitake Tanno, Yasushi Tsutsumi | 2023-10-03 |
| 11656456 | Optical element and optical apparatus | Toshiki Nakamura, Masaru Eguchi, Yutaka Takakubo, Yoshitake Tanno | 2023-05-23 |
| 9007878 | Glass for magnetic recording medium substrate and usage thereof | Kazuaki Hashimoto | 2015-04-14 |
| 8907622 | Vehicle charging system and electrically powered vehicle provided with the same | Kenji Itagaki, Wanleng Ang, Yoshinobu Sugiyama, Yoshikazu Kataoka | 2014-12-09 |
| 8885447 | Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use | Kazuaki Hashimoto | 2014-11-11 |
| 8852745 | Optical glass, press-molding glass material, optical element and method of manufacturing the same, and bonded optical element | Kosuke Yamaguchi | 2014-10-07 |
| 8836272 | Power control device for vehicle | Yoshinobu Sugiyama, Wanleng Ang, Kenji Itagaki, Yoshikazu Kataoka | 2014-09-16 |
| 8824248 | Glass for magnetic recording medium substrate and usage thereof | Kazuaki Hashimoto | 2014-09-02 |
| 8652660 | Glass substrate for magnetic recording medium and its use | Hideki Isono, Kinobu Osakabe, Katsuyuki Iwata, Mikio Ikenishi | 2014-02-18 |
| 8603653 | Glass for magnetic recording medium substrate, magnetic recording medium substrate and method of manufacturing the same, and magnetic recording medium | Yoichi Hachitani, Kinobu Osakabe | 2013-12-10 |
| 8394516 | Glass substrate for magnetic recording medium and magnetic recording medium | Kinobu Osakabe, Yoichi Hachitani | 2013-03-12 |
| 7081499 | Electrical insulating material and method for fastening a shaped body | Hitoshi Ueno, Yasuhiro Nishihara, Hirota Nagano | 2006-07-25 |
| 6082772 | Automatic insertion bookmark | Shinsuke Matsumoto | 2000-07-04 |