Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777958 | Erecting equal-magnification lens array plate | Hideshi Nagata | 2010-08-17 |
| 7666492 | Multilayer structure and method for manufacturing the same | Yasuji Sasaki, Masahiro Oikawa, Keiji Tsunetomo | 2010-02-23 |
| 7030983 | Method and apparatus for aligning diffraction grating | Fumitoshi Kobayashi | 2006-04-18 |
| 6940650 | Diffraction optical element and transfer mold therefor | Kenichi Nakama, Yukinari Sekiguchi, Naoko Hikichi | 2005-09-06 |
| 6852420 | Optical device, mold, and method of producing the same | Hiroaki Yamamoto, Masahiro Hori, Koichiro Nakamura, Kenichi Nakama | 2005-02-08 |
| 6839173 | Reflection type diffraction grating | Shinji Kawamoto, Terufusa Kunisada, Kenichi Nakama | 2005-01-04 |
| 6753064 | Multi-layered coated substrate and method of production thereof | Kenichi Nakama | 2004-06-22 |
| 6530554 | Molding die for use with a sol-gel composition | Kenichi Nakama, Isao Muraguchi | 2003-03-11 |