Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915761 | Optical system having optical thin film including amorphous silicon oxide-based binder | Hitoshi Ishizawa, Shunsuke Niisaka | 2018-03-13 |
| 7556061 | Mixing faucet assembly | Kazunori Morita | 2009-07-07 |
| 7256948 | Anti-reflection coating, and optical element and optical system with anti-reflection coating | Issei Tanaka | 2007-08-14 |
| 6870602 | Method for forming optical thin film and optical element provided with optical thin film | Hitoshi Ishizawa | 2005-03-22 |
| 6574039 | Optical element with multilayer thin film and exposure apparatus with the element | Hitoshi Ishizawa | 2003-06-03 |
| 5507715 | Device for cleaning adhering material off of sand | Osamu Masuno, Iwao Tomita, Kazuharu Matsui, Akio Isono, Takehiko Matsumoto +1 more | 1996-04-16 |