Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392933 | Glass plate structure and on-vehicle display device | Yukihiro Iwata, Jun Ito, Akihisa ISHINO | 2025-08-19 |
| 11090767 | Curved plate machining apparatus, and method of manufacturing curved plate with machined outer circumference | Itsuro Watanabe, Hiroyuki Ezura, Masahiro Deguchi, Keisuke Kato | 2021-08-17 |
| 8524422 | Low expansion glass substrate for reflection type mask and method for processing same | Kenji Okamura, Hiroshi Kojima | 2013-09-03 |
| 8148037 | Optical component for EUVL and smoothing method thereof | Motoshi Ono, Mitsuru Watanabe | 2012-04-03 |
| 8137574 | Processing method of glass substrate, and highly flat and highly smooth glass substrate | Koji Otsuka, Hiroshi Kojima | 2012-03-20 |
| 8070557 | Method of polishing glass substrate | Hiroshi Kojima | 2011-12-06 |
| 7959493 | Method for polishing glass substrate and process for producing glass substrate | Mitsuru Horie, Hiroyuki Tomonaga, Noriaki Shimodaira | 2011-06-14 |
| 7923178 | Glass substrate for mask blank and method of polishing for producing the same | Hiroshi Kojima | 2011-04-12 |
| 7901843 | Process for smoothing surface of glass substrate | Takashi Sugiyama, Yoshiaki Ikuta | 2011-03-08 |
| 7771603 | Process for polishing glass substrate | Koji Otsuka, Hiroshi Kojima | 2010-08-10 |
| 7629089 | Low-expansion glass substrate for a reflective mask and reflective mask | Hitoshi Mishiro | 2009-12-08 |
| 7622050 | Process for polishing glass substrate | Koji Otsuka | 2009-11-24 |
| 5538579 | Method of processing a plurality of glass plates or the like into a circular shape or a method of perforating a plurality of the same material | Kazuhiko Ishimura, Yoichi Ozawa, Ikuo Nagasawa | 1996-07-23 |