Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7505655 | White light-emitting device using fluorescent fiber | Masaaki Yamazaki, Osamu Ishii, Naruhito Sawanobori | 2009-03-17 |
| 7312169 | Optical glass for precision molding | Yoshinori Yamamoto, Naruhito Sawanobori | 2007-12-25 |
| 7277618 | White light-emitting device using fluorescent fiber | Masaaki Yamazaki, Osamu Ishii, Naruhito Sawanobori | 2007-10-02 |
| 7151064 | Optical glass suitable for mold forming | Masaaki Otsuka, Naruhito Sawanobori | 2006-12-19 |
| 7141525 | Optical glass for precision molding | Yoshinori Yamamoto, Koichi Tsuchiya, Naruhito Sawanobori | 2006-11-28 |
| 6784128 | Optical glass for molding | Masaaki Otsuka, Yoshinori Yamamoto, Koichi Tsuchiya, Naruhito Sawanobori | 2004-08-31 |
| 6372155 | Oxide glass showing long afterglow and accelerated phosphorescence | Masaaki Yamazaki, Yoshinori Yamamoto, Naruhito Sawanobori | 2002-04-16 |
| 6333282 | Optical glass for precision molding | Koji Nakahata, Koichi Tsuchiya | 2001-12-25 |
| 6271160 | Oxide phosphorescent glass capable of exhibiting a long lasting afterglow and photostimulated luminescence | Yoshinori Yamamoto, Masaaki Yamazaki, Naruhito Sawanobori | 2001-08-07 |
| 6123872 | Oxide phosphorescent glass capable of exhibiting a long lasting after-glow and photostimulated luminescence | Masaaki Yamazaki, Yoshinori Yamamoto, Naruhito Sawanobori | 2000-09-26 |
| 5755998 | Fluorophosphate fluorescent glass capable of exhibiting fluorescence in the visible region | Masaaki Yamazaki, Masaaki Otsuka, Naruhito Sawanobori | 1998-05-26 |
| 5541012 | Infrared-to-visible up-conversion material | Junichi Ohwaki, Yuhu Wang, Atsushi SHIBUKAWA, Naruhito Sawanobori | 1996-07-30 |
| 5472471 | Process for the production of an optical fiber bundle for heat resistance and vacuum resistance by bonding fiber ends with a bonding glass | Nobuyoshi Baba, Koji Moriya, Junya Yamauchi | 1995-12-05 |
| 5439616 | Infrared light-excited light-emitting substance | Shoji Ishiwata, Etsuji Kimura, Michihiro Tanaka, Yasuhiro Hanaue, Yuhu Wang +1 more | 1995-08-08 |
| 5017520 | Fluorosphosphate optical glass | Masaaki Otsuka, Masayuki Komiya, Naruhito Sawanobori | 1991-05-21 |
| 4990468 | Fluorophosphate optical glass | Masayuki Komiya, Masaaki Otsuka, Naruhito Sawanobori | 1991-02-05 |
| 4808556 | Fluorophosphate optical glass | Naruhito Sawanobori, Nobuyoshi Baba | 1989-02-28 |