Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11366164 | Switch circuit, switch device, and system | — | 2022-06-21 |
| 10446966 | Spring contact and method of manufacturing same | Keisuke Yamazaki | 2019-10-15 |
| 8938990 | Method for producing glass substrate for information storage medium, and information storage medium | Hazuki Nakae | 2015-01-27 |
| 8916487 | Glass substrate for information recording medium | Hideki Kawai, Hiroshi Kajita, Akio Oogaki | 2014-12-23 |
| 8633412 | Switch device and method of assembling snap action mechanism | Osamu Haga, Syuji Fujiwara | 2014-01-21 |
| 8051678 | Press molding method for manufacturing of glass substrate | Shiro Nishimoto, Mitsugu Tokunaga, Hideki Kawai, Shinji Fukumoto | 2011-11-08 |
| 7928027 | Optical glass and optical element | — | 2011-04-19 |
| 7657979 | Buckle switch and buckle device | Yukinori Midorikawa, Ayaki Oyamada | 2010-02-09 |
| 7396788 | Glass composition and glass substrate | Hideki Kawai | 2008-07-08 |
| 7395679 | Method of manufacturing glass substrate for information recording medium | Yousuke Yamaguchi, Shinji Sakai | 2008-07-08 |
| 7192898 | Glass composition and glass substrate | Hideki Kawai | 2007-03-20 |
| 7122756 | Push switch | Atsumi Sasaki, Kenji Sawada | 2006-10-17 |
| 7005597 | Switch device | — | 2006-02-28 |
| 6870595 | Optical filter device and method of making same | Takuji Hatano | 2005-03-22 |
| 6649549 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-18 |
| 6645892 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645888 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645889 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645890 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645891 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6642162 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-04 |
| 6642161 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-04 |
| 6635591 | Glass composition for crystallized glass | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Kazuhiko Ishimaru | 2003-10-21 |
| 6627567 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-09-30 |
| 6624101 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-09-23 |