| 5993971 |
Optical information record medium |
Keiichi Nito, Tohru Nagai, Tsutomu Noguchi, Mayumi Miyashita, Katsumi Kohno |
1999-11-30 |
| 5153099 |
Wavelength multiplexed optical recording material |
Noriyuki Kishii, Shinichiro Tamura, Nobutoshi Asai, Koichi Kawasumi |
1992-10-06 |
| 4865945 |
Positive photoresist material with o-quinone diazide and polymer containing silicon atoms |
Tsutomu Noguchi, Keiichi Nito |
1989-09-12 |
| 4767696 |
Laser information recording medium having an improved recording layer |
Coe Ishimoto, Hiroshi Tomimuro |
1988-08-30 |
| 4753867 |
Optical recording medium |
Seiichi Arakawa, Hirofumi Kondo, Nobutoshi Asai |
1988-06-28 |
| 4693962 |
Photochromic photosensitive compositions |
Shinichiro Tamura |
1987-09-15 |
| 4565779 |
Photochromic compounds and photosensitive compositions containing the compounds |
Seiichi Arakawa, Hirofumi Kondo |
1986-01-21 |
| 4542084 |
Method for forming a colored image |
Haruo Watanabe, Kiyosuke Suzuki, Toshiaki Fukuma |
1985-09-17 |
| 4485168 |
Photochromic photosensitive composition |
Seiichi Arakawa, Koichi Kawasumi |
1984-11-27 |
| 4330600 |
Magnetic recording medium |
Kouichi Kawasumi, Haruo Watanabe |
1982-05-18 |
| 4247593 |
Magnetic recording medium and method of preparing the same |
Toru Nagai |
1981-01-27 |