Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572803 | Organic rare-earth salt phosphor | Katsuhiko Yamazoe, Akira Yoshino, Yoshiharu Kitahama | 1986-02-25 |
| 4520072 | Heterogeneous system photosensitive oxidation sensitizer | Akira Yoshino | 1985-05-28 |
| 4463162 | Polynuclear fused aromatic ring type polymer and preparation thereof | Sumitaka Nogami, Tsuneo Wakabayashi, Eiichi Oono, Yoshiharu Kitahama | 1984-07-31 |
| 4444860 | Layered persistent photoconductive element comprises pigment layer and polymer layer containing polyvinyl carbazole | Akitaka Yasujima, Sumitaka Nogami, Yoshiharu Kitahama | 1984-04-24 |
| 4444861 | Photo sensitive article for electrophotography containing charge transfer material | Sumitaka Nogami, Yoshiharu Kitahama | 1984-04-24 |
| 4443380 | Organic europlum salt phosphor | Katsuhiko Yamazoe, Akira Yoshino, Yoshiharu Kitahama | 1984-04-17 |
| 4429171 | Method for manufacture of orthomethylated phenol compounds | Tokio Sakurai, Kyosuke Komiya, Yoshihiko Mori, Yoshiharu Kitahama | 1984-01-31 |
| 4410502 | Method for manufacture of silicon carbide | Masami Yamaguchi, Toshiyuki Nakazima, Yoshiro Tajitsu, Yoshiharu Kitahama | 1983-10-18 |
| 4396587 | Method for manufacture of silicon nitride | Masami Yamaguchi, Yoshirou Tajitsu, Yoshiharu Kitahama | 1983-08-02 |
| 4347326 | Foamable glass composition and glass foam | Shingo Kimura, Toshio Iwasa | 1982-08-31 |
| 4226908 | Water repellent inorganic foam and method for producing the same | Akira Yoshino, Tsuneo Wakabayashi | 1980-10-07 |
| 4207113 | Inorganic foam and preparation thereof | Akira Yoshino | 1980-06-10 |