Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12029801 | Sunscreen multilayer particle | Toshifumi Shiroya | 2024-07-09 |
| 9714193 | Float glass for chemical strengthening | Yuichi Suzuki, Tetsuya Nakashima | 2017-07-25 |
| 8361916 | Optical glass and preforms for precision press molding and optical elements made by using the glass | Satoru TOMENO, Hiroyuki Ohkawa, Kenji Imakita, Yuki Kondo | 2013-01-29 |
| 7666332 | Process for producing optical glass element | Syuji Matsumoto, Takeshi Shimazaki, Naoki Sugimoto | 2010-02-23 |
| 7638449 | Optical glass | Kenji Imakita, Naoki Sugimoto | 2009-12-29 |
| 7582580 | Optical glass | Hiroyuki Ohkawa, Naoki Sugimoto | 2009-09-01 |
| 7563736 | Optical glass and process for producing optical element | Tomoyuki Kobayashi, Syuji Matsumoto, Naoki Sugimoto | 2009-07-21 |
| 7514381 | Optical glass and lens | Syuji Matsumoto, Naoki Sugimoto | 2009-04-07 |