Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409797 | Heat-sensitive recording material for laser recording | Noriyuki Hosoi, Naoto Yanagihara | 1995-04-25 |
| 5227495 | Cyanine compound having a hetero ring containing an imidazole nucleus fused to a naphthoquinone nucleus | Yoshio Inagaki | 1993-07-13 |
| 5182186 | Optical information recording medium | Yoshio Inagaki, Keiichi Adachi | 1993-01-26 |
| 5075147 | Method for optically recording information and information recorded medium | Yoshihisa Usami, Yoshio Inagaki, Mitsuru Sawano | 1991-12-24 |
| 5013593 | Information storage medium and process for producing the same | Hideki Matsuzawa, Tadashi Irie, Seiichi Watanabe, Yusuke Ishihara | 1991-05-07 |
| 4999281 | Optical information recording medium | Yoshio Inagaki, Keiichi Adachi | 1991-03-12 |
| 4994343 | Optical information recording medium | Yoshio Inagaki, Keiichi Adachi | 1991-02-19 |
| 4983505 | Optical recording medium | Manabu Higuchi, Hideki Matsubara, Tetsuji Jitsumatsu | 1991-01-08 |
| 4968593 | Optical information recording medium | Yoshio Inagaki, Keiichi Adachi, Yoshihiro Jimbo | 1990-11-06 |
| 4944967 | Process for the preparation of information recording medium | Yoshio Inagaki | 1990-07-31 |
| 4943515 | Information recording medium | Masaki Okazaki, Ken Kawatta | 1990-07-24 |
| 4900648 | Optical information recording medium | Takanori Hioki, Yoshio Inagaki | 1990-02-13 |
| 4876557 | Recording medium of air-sandwich structure | — | 1989-10-24 |
| 4860273 | Method of recording information and information recording medium employed for the same | Mitsuru Sawano | 1989-08-22 |
| 4832992 | Process for the preparation of information recording medium | Yoshio Inagaki | 1989-05-23 |
| 4821050 | Optical information recording medium | Yonosuke Takahashi | 1989-04-11 |
| 4788097 | Information recording medium | Shinichiro Ohara, Younosuke Takahashi | 1988-11-29 |
| 4731620 | Information recording medium | Younosuke Takahashi | 1988-03-15 |
| 4686543 | Information recording medium | Yoshio Tani, Kyoichi Naruo | 1987-08-11 |
| 4663276 | Glass based laser recording material with intermediate layer | Takeji Ochiai, Shinichiro Ohara | 1987-05-05 |
| 4616238 | Information recording medium of air-sandwich structure | Yoshio Tani, Kyoichi Naruo | 1986-10-07 |
| 4557948 | Process for producing magnetic recording materials | Nobuyuki Yamamoto, Yasuo Nishikawa, Akio Yanai, Ryuji Shirahata, Kyoichi Naruo | 1985-12-10 |
| 4499043 | Process for producing a cellulose ester support | Kyoichi Naruo, Kazuhiro Ono | 1985-02-12 |
| 4423089 | Subbing process for photographic light-sensitive materials | Masayoshi Sekiya, Tamotsu Suzuki, Takeji Ochiai, Sumitaka Tatsuta | 1983-12-27 |
| 4265946 | Process for forming a subbing layer on a plastic support | Sumitaka Tatsuta, Takeji Ochiai, Tamotsu Suzuki, Masayoshi Sekiya | 1981-05-05 |