Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780704 | Process for treating plastic product | Masanobu Ajioka, Akihiro Yamaguchi, Kazuhiko Suzuki | 1998-07-14 |
| 5582774 | Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same | Hisato Itoh, Takahisa Oguchi, Tsutomu Nishizawa | 1996-12-10 |
| 5556711 | Decomposable composite material | Masanobu Ajioka, Akihiro Yamaguchi, Kazuhiko Suzuki | 1996-09-17 |
| 5449587 | Compact disk-write once type optical recording media | Hisato Itoh, Takahisa Oguchi, Tsutomu Nishizawa | 1995-09-12 |
| 5447962 | Degradable foam and use of same | Masanobu Ajioka, Akihiro Yamaguchi, Kazuhiko Suzuki, Takayuki Watanabe, Yasuhiro Kitahara | 1995-09-05 |
| 5446141 | Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same | Hisato Itoh, Takahisa Oguchi, Tsutomu Nishizawa | 1995-08-29 |
| 5444107 | Degradable polymer composition | Masanobu Ajioka, Akihiro Yamaguchi, Hosei Shinoda | 1995-08-22 |
| 5434004 | Degradable laminate composition | Masanobu Ajioka, Akihiro Yamaguchi, Hosei Shinoda | 1995-07-18 |
| 5424477 | Preparation process of .alpha.-aspartyl-L-phenylalanine methyl ester | Chojiro Higuchi, Ikumi Kitada, Akinori Nagatomo, Masanobu Ajioka, Akihiro Yamaguchi | 1995-06-13 |
| 5409634 | Near infrared absorbers and display/recording materials using the same | Hisato Itoh, Takahisa Oguchi, Tutomu Nishizawa | 1995-04-25 |
| 5310865 | Polyhydroxycarboxylic acid and preparation process thereof | Masanobu Ajioka, Akihiro Yamaguchi | 1994-05-10 |
| 5296162 | Near infrared absorbers and display/recording materials using the same | Hisao Itoh, Takahisa Oguchi, Tutomu Nishizawa | 1994-03-22 |
| 5270463 | Halogenated alkoxyphthalocyanines | Hisato Itoh, Takahisa Oguchi, Tutomu Nishizawa | 1993-12-14 |
| 5235104 | Hydrazones and electrophotographic photoreceptors comprising them | Yasuyuki Yamada, Hiroyuki Akahori, Hisato Itoh, Tsutomu Nishizawa, Akihiro Yamaguchi | 1993-08-10 |
| 5132190 | Hydrozones and electrophotographic photoreceptors comprising them | Yasuyuki Yamada, Hiroyuki Akahori, Hisato Itoh, Tsutomu Nishizawa, Akihiro Yamaguchi | 1992-07-21 |
| 5124067 | Near infrared absorbers and display/recording materials using the same | Hisao Itoh, Takahisa Oguchi, Tutomu Nishizawa | 1992-06-23 |
| 5024926 | Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same | Hisato Itoh, Takahisa Oguchi, Tsutomu Nishizawa | 1991-06-18 |
| 4970021 | Phthalocyanine compounds and utility thereof | Masakatsu Nakatsuka, Tsutomu Nishizawa, Takahisa Oguchi, Hisato Itoh | 1990-11-13 |
| 4960538 | 1,2-naphthalocyanine near-infrared absorbent and recording/display materials using same | Hisato Itoh, Takahisa Oguchi, Masakatsu Nakatsuka, Tsutomu Nishizawa | 1990-10-02 |