Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572803 | Organic rare-earth salt phosphor | Katsuhiko Yamazoe, Akira Yoshino, Isamu Iwami | 1986-02-25 |
| 4463162 | Polynuclear fused aromatic ring type polymer and preparation thereof | Sumitaka Nogami, Tsuneo Wakabayashi, Eiichi Oono, Isamu Iwami | 1984-07-31 |
| 4444861 | Photo sensitive article for electrophotography containing charge transfer material | Sumitaka Nogami, Isamu Iwami | 1984-04-24 |
| 4444860 | Layered persistent photoconductive element comprises pigment layer and polymer layer containing polyvinyl carbazole | Akitaka Yasujima, Sumitaka Nogami, Isamu Iwami | 1984-04-24 |
| 4443380 | Organic europlum salt phosphor | Katsuhiko Yamazoe, Akira Yoshino, Isamu Iwami | 1984-04-17 |
| 4429171 | Method for manufacture of orthomethylated phenol compounds | Tokio Sakurai, Kyosuke Komiya, Yoshihiko Mori, Isamu Iwami | 1984-01-31 |
| 4410502 | Method for manufacture of silicon carbide | Masami Yamaguchi, Toshiyuki Nakazima, Yoshiro Tajitsu, Isamu Iwami | 1983-10-18 |
| 4396587 | Method for manufacture of silicon nitride | Masami Yamaguchi, Yoshirou Tajitsu, Isamu Iwami | 1983-08-02 |