| 12319616 |
Optical glass, optical element including optical glass, and optical apparatus |
Hiroyuki Inoue, Atsunobu Masuno, Kohei YOSHIMOTO, Hiroshi Yamamoto, Tatsunori Kawashima |
2025-06-03 |
| 11236009 |
Optical glass, optical element including optical glass, and optical apparatus |
Hiroyuki Inoue, Atsunobu Masuno, Kohei YOSHIMOTO, Hiroshi Yamamoto, Tatsunori Kawashima |
2022-02-01 |
| 11203548 |
Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device |
Kohei YOSHIMOTO, Hiroshi Yamamoto, Tatsunori Kawashima |
2021-12-21 |
| 8110513 |
Glass composition and optical member and optical instrument using the same |
Takashi Ozawa, Kiyoaki Shinohara |
2012-02-07 |
| 6432854 |
Optical glass for polarizing optical system, production process therefor and polarizing beam splitter |
Takeshi Hasegawa |
2002-08-13 |
| 6062694 |
Projection type display apparatus |
Yoshiro Oikawa, Kazufumi Ishibashi, Masaaki Kusano, Tetsuo Hattori |
2000-05-16 |
| 5969861 |
Polarizing optical system |
Takeshi Hasegawa, Mikio Okamoto |
1999-10-19 |
| 5918961 |
Projection type display device |
— |
1999-07-06 |
| 5808795 |
Projection type display apparatus |
Hideaki Shimomura, Kiyoshi Numazaki, Yoshiro Oikawa, Naotaka Shimamura, Takeshi Hasegawa |
1998-09-15 |