HO

Hirofumi Okuyama

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Overall (All Time): #671,809 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4555466 Developer comprising a carrier coated with Fe.sub.3 O.sub.4 dispersed in a butadiene polymer, and a toner Seiji Okada, Isao Watanabe, Norio Sawatari, Kazumasa Saito, Toshiaki Narusawa 1985-11-26
4547309 Storage-type liquid crystal composition Akihiro Mochizuki, Kasumi Ikegami, Toshiaki Narusawa 1985-10-15
4522909 Process for preparing electrostatic developer Toshiaki Narusawa, Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita 1985-06-11
4517266 Holographic recording material and process for producing holograms Kasumi Ikegami 1985-05-14
4513075 Developer materials for electrostatic images Toshiaki Narusawa, Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita 1985-04-23
4455361 Process for preparing developer materials for electrostatic images Toshiaki Narusawa, Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita 1984-06-19
4454213 Organic photosensitive material for electrophotography Teruo Yagishita, Seiji Okada, Toshiaki Narusawa 1984-06-12
4362801 Copper phthalocyanine photosensitive material for electrophotography with binder and an oxadiazole Teruo Yagishita, Seiji Okada, Toshiaki Narusawa 1982-12-07