YH

Yutaka Hirai

Canon: 80 patents #233 of 19,416Top 2%
MI Mitsui Toatsu Chemicals, Incorporated: 3 patents #456 of 1,543Top 30%
Overall (All Time): #21,246 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 51–75 of 83 patents

Patent #TitleCo-InventorsDate
4683147 Method of forming deposition film Ken Eguchi, Hiroshi Matsuda, Masahiro Haruta, Yukuo Nishimura, Takashi Nakagiri 1987-07-28
4683144 Method for forming a deposited film Yukuo Nishimura, Ken Eguchi, Hiroshi Matsuda, Masahiro Haruta, Takashi Nakagiri 1987-07-28
4683145 Method for forming deposited film Yukuo Nishimura, Ken Eguchi, Hiroshi Matsuda, Masahiro Haruta, Takashi Nakagiri 1987-07-28
4683146 Process for producing deposition films Hiroshi Matsuda, Ken Eguchi, Masahiro Haruta, Yukuo Nishimura, Takashi Nakagiri 1987-07-28
4670369 Image-forming member for electrophotography Katsumi Nakagawa, Toshiyuki Komatsu, Teruo Misumi, Tadaji Fukuda 1987-06-02
4664998 Electrophotographic image forming member having hydrogenated amorphous photoconductive layer including carbon Toshiyuki Komatsu, Katsumi Nakagawa, Tadaji Fukuda 1987-05-12
4665176 Process for the preparation of 5,6,7,8-tetrahydrofolic acid Masaaki Torisu, Eri Nagayoshi 1987-05-12
4645684 Method for forming deposited film Yoshiyuki Osada, Hisanori Tsuda, Masafumi Sano, Satoshi Omata, Katsuji Takasu 1987-02-24
4634628 Recording medium and image recording process Hirohide Munakata, Yoshinori Tomida, Masahiro Haruta, Yukuo Nishimura, Takashi Hamamoto 1987-01-06
4626449 Method for forming deposition film Hiroshi Echizen, Masafumi Sano, Hisanori Tsuda, Katsuji Takasu 1986-12-02
4625224 Thin film transistor having polycrystalline silicon layer with 0.01 to 5 atomic % chlorine Katsumi Nakagawa, Toshiyuki Komatsu, Yoshiyuki Osada, Satoshi Omata, Takashi Nakagiri 1986-11-25
4618561 Monomolecular record memory medium with photosensitive diazonium salt Hirohide Munakata, Yoshinori Tomida, Masahiro Haruta, Yukuo Nishimura, Takashi Hamamoto 1986-10-21
4613558 Hydrogenated amorphous silicon photosensitive method for electrophotography Katsumi Nakagawa, Toshiyuki Komatsu, Teruo Misumi, Tadaji Fukuda 1986-09-23
4592980 Photoconductive layer having hydrophilic and hydrophobic moieties Yoshinori Tomida, Masahiro Haruta, Yukuo Nishimura, Hiroshi Matsuda, Takashi Hamamoto 1986-06-03
4586980 Pattern forming method Yoshinori Tomida, Hiroshi Matsuda, Yukuo Nishimura 1986-05-06
4569855 Method of forming deposition film Hiroshi Matsuda, Masahiro Haruta, Ken Eguchi, Yukuo Nishimura, Takashi Nakagiri 1986-02-11
4565731 Image-forming member for electrophotography Toshiyuki Komatsu, Katsumi Nakagawa, Tadaji Fukuda 1986-01-21
4557990 Hydrogenated amorphous silicon photosensitive member for electrophotography Katsumi Nakagawa, Toshiyuki Komatsu, Teruo Misumi, Tadaji Fukuda 1985-12-10
4552824 Electrophotographic photosensitive member and process for production thereof Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda 1985-11-12
4551405 Image forming process employing member with a depletion layer Katsumi Nakagawa, Toshiyuki Komatsu, Teruo Misumi, Tadaji Fukuda 1985-11-05
4507375 Electrophotographic photosensitive member and process for production thereof Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda 1985-03-26
4479149 Photo-electric converter and image forming apparatus incorporating the same Seishiro Yoshioka, Tadaji Fukuda, Masaki Fukaya, Takashi Nakagiri 1984-10-23
4471042 Image-forming member for electrophotography comprising hydrogenated amorphous matrix of silicon and/or germanium Toshiyuki Komatsu, Katsumi Nakagawa, Tadaji Fukuda 1984-09-11
4461819 Image-forming member for electrophotography Katsumi Nakagawa, Toshiyuki Komatsu, Teruo Misumi, Tadaji Fukuda 1984-07-24
4461956 Solid-state photoelectric converter Katsunori Hatanaka, Naoki Ayata, Shunichi Uzawa 1984-07-24