Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7857203 | System for writing information and method of writing information | Ikutaroh Nagatsuka, Yasunori Saito, Minoru Koshimizu, Daisuke Tsuda, Tsunemasa Mita +8 more | 2010-12-28 |
| 7678299 | Stock solution for production of nonlinear-optical materials, nonlinear-optical material, and nonlinear-optical device | Yasuhiro Yamaguchi, Tomozumi Uesaka, Hokuto Takada | 2010-03-16 |
| 7578429 | System for writing information and method of writing information | Ikutaroh Nagatsuka, Yasunori Saito, Minoru Koshimizu, Daisuke Tsuda, Tsunemasa Mita +8 more | 2009-08-25 |
| 7258822 | Organic nonlinear optical material and nonlinear optical element using the same | Yasuhiro Yamaguchi, Hokuto Takada, Tomozumi Uesaka | 2007-08-21 |
| 6803153 | Optical storage medium, optical storage method; optical storage apparatus, optical reading method, optical reading apparatus, optical retrieving method and optical retrieving apparatus | Katsunori Kawano, Tsutomu Ishii | 2004-10-12 |
| 6797769 | Electrodepositing solution for low-potential electrodeposition and electrodeposition method using the same | Eiichi Akutsu, Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda | 2004-09-28 |
| 6525879 | Optical filtering apparatus and method | Katsunori Kawano, Jiro Minabe, Takehiko Niitsu, Tsutomu Ishii, Kazuo Baba | 2003-02-25 |
| 6512085 | Method and apparatus for providing optical anisotropy to polymeric film and optical anisotropic medium | Jiro Minabe, Katsunori Kawano | 2003-01-28 |
| 6452890 | Optical storage medium, optical storage method, optical reading method, optical reading apparatus, optical retrieving method and optical retrieving apparatus | Katsunori Kawano, Tsutomu Ishii | 2002-09-17 |
| 6285474 | Holographic recording method and filtering method | Katsunori Kawano, Jiro Minabe, Takehiro Niitsu, Tsutomu Ishii, Kazuo Baba | 2001-09-04 |
| 6118004 | Cyclobutenedione derivative, manufacturing method thereof and non-linear optical device containing the same | Lyong-Sun Pu | 2000-09-12 |
| 5948915 | Cyclobutenedione derivative, manufacturing method thereof and non-linear optical device containing the same | Lyong-Sun Pu | 1999-09-07 |
| 5872256 | Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element | Lyong-Sun Pu | 1999-02-16 |
| 5811552 | Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element | Lyong-Sun Pu | 1998-09-22 |
| 5726317 | Cyclobutenedione compounds | Lyong-Sun Pu | 1998-03-10 |
| 5659085 | Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element | Lyong-Sun Pu | 1997-08-19 |
| 5616802 | Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element | Lyong-Sun Pu | 1997-04-01 |