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 26–50 of 83 patents

Patent #TitleCo-InventorsDate
5135607 Process for forming deposited film 1992-08-04
4987460 Light emitting device Katsuji Takasu, Masafumi Sano, Hisanori Tsuda 1991-01-22
4982251 Semiconductor element Katsumi Nakagawa, Toshiyuki Komatsu, Yoshiyuki Osada, Satoshi Omata, Takashi Nakagiri 1991-01-01
4933221 Optical recording device Yukuo Nishimura, Haruki Kawada, Masahiro Haruta, Noritaka Mochizuki, Takashi Nakagiri 1990-06-12
4921722 Method for forming deposited film Yoshiyuki Osada, Hisanori Tsuda, Masafumi Sano, Satoshi Omata, Katsuji Takasu 1990-05-01
4920387 Light emitting device Katsuji Takasu, Masafumi Sano, Hisanori Tsuda 1990-04-24
4916510 Thin film mesa transistor of field effect type with superlattice Masafumi Sano, Katsuji Takasu, Hisanori Tsuda 1990-04-10
4914490 Non-single crystal electroluminescent device Katsuji Takasu, Masafumi Sano, Hisanori Tsuda 1990-04-03
4905072 Semiconductor element Toshiyuki Komatsu, Katsumi Nakagawa, Yoshiyuki Osada, Satoshi Omata, Takashi Nakagiri 1990-02-27
4893154 Electroluminescent device Masafumi Sano, Hisanori Tsuda, Katsuji Takasu 1990-01-09
4877650 Method for forming deposited film Jinsho Matsuyama, Masao Ueki, Akira Sakai 1989-10-31
4873125 Method for forming deposited film Jinsho Matsuyama, Masao Ueki, Akira Sakai 1989-10-10
4830946 CVD process for forming an image forming member for electrophotography Toshiyuki Komatsu, Katsumi Nakagawa, Tadaji Fukuda 1989-05-16
4818656 Image forming member for electrophotography Tadaji Fukuda, Katsumi Nakagawa, Toshiyuki Komatsu 1989-04-04
4814842 Thin film transistor utilizing hydrogenated polycrystalline silicon Katsumi Nakagawa, Toshiyuki Komatsu, Satoshi Omata, Yoshiyuki Osada, Takashi Nakagiri 1989-03-21
4796981 Optical element for modulation of light by heating a monomolecular film Yukuo Nishimura, Masahiro Haruta, Kunihiro Sakai, Hiroshi Matsuda 1989-01-10
4773742 Display method with fatly acid ester host molecule Hiroshi Matsuda, Masahiro Haruta, Yukuo Nishimura, Ken Eguchi, Takashi Nakagiri 1988-09-27
4766477 Semiconductor device including a semiconductor layer having a polycrystalline silicon film with selected atomic constituency Katsumi Nakagawa, Toshiyuki Komatsu, Yoshiyuki Osada, Satoshi Omata, Takashi Nakagiri 1988-08-23
4753830 Film forming method, recording medium formed thereby and recording method therewith Hiroshi Matsuda, Masahiro Haruta, Yukuo Nishimura, Ken Eguchi, Takashi Nakagiri 1988-06-28
4745041 CVD process for forming semiconducting film having hydrogenated germanium matrix Toshiyuki Komatsu, Katsumi Nakagawa, Tadaji Fukuda 1988-05-17
4740829 Semiconductor device having a thin layer comprising germanium atoms as a matrix with a restricted range of hydrogen atom concentration Takashi Nakagiri, Yoshiyuki Osada 1988-04-26
4719501 Semiconductor device having junction formed from two different hydrogenated polycrystalline silicon layers Katsumi Nakagawa, Toshiyuki Komatsu, Yoshiyuki Osada, Satoshi Omata, Takashi Nakagiri 1988-01-12
4705403 Apparatus and method for measuring a photometric characteristic of a sample portion Ken Eguchi, Yukuo Nishimura, Masahiro Haruta, Hiroshi Matsuda, Takashi Nakagiri 1987-11-10
4695717 Semi-conductor device and electronic apparatus using the same Masahiro Haruta, Yukuo Nishimura, Hiroshi Matsuda, Takashi Nakagiri 1987-09-22
4693915 Film forming method, recording medium formed thereby and recording method therewith Hiroshi Matsuda, Masahiro Haruta, Yukuo Nishimura, Ken Eguchi, Takashi Nakagiri 1987-09-15