AI

Akira Igarashi

Fujitsu Limited: 48 patents #296 of 24,456Top 2%
SO Somar: 8 patents #12 of 174Top 7%
FS Fuji Systems: 4 patents #1 of 23Top 5%
TI Takeda Chemical Industries: 4 patents #297 of 1,420Top 25%
Eastman Kodak: 4 patents #2,416 of 8,114Top 30%
NK Nohmi Bosai Kogyo Kabushiki Kaisha: 3 patents #1 of 22Top 5%
SC Sumitomo Bakelite Co.: 3 patents #131 of 790Top 20%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
OC Ortus Technology Co.: 1 patents #5 of 16Top 35%
MC Mitsubishi Petrochemical Engineering Co.: 1 patents #14 of 36Top 40%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
NB Nohmi Bosai: 1 patents #51 of 90Top 60%
📍 Gyōda, MO: #2 of 2 inventorsTop 100%
Overall (All Time): #21,729 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 51–75 of 82 patents

Patent #TitleCo-InventorsDate
4814231 Thermoplastic resin-silicone composite shaped article Masayuki Onohara, Kenji Kawai, Masaru Shibata, Nobuhisa Kawaguchi 1989-03-21
4797385 Heat-sensitive recording material 1989-01-10
4797384 Heat-sensitive recording sheet Akihiro Shimomura, Shinichiro Serizawa 1989-01-10
4792542 Recording material Masanobu Takashima, Masato Satomura, Ken Iwakura 1988-12-20
4786629 Heat-sensitive recording material Hiroshi Kawakami 1988-11-22
4751213 Recording material Masato Satomura 1988-06-14
4728633 Recording material Masato Satomura, Ken Iwakura 1988-03-01
4717593 Heat-sensitive recording sheet Sukenori Nakamura 1988-01-05
4707464 Recording material Masanobu Takashima, Masato Satomura, Ken Iwakura 1987-11-17
4686124 Thermoplastic resin-silicone rubber composite shaped article Masayuki Onohara, Kenji Kawai, Masaru Shibata, Nobuhisa Kawaguchi 1987-08-11
4646113 Heat-sensitive recording sheet Kensuke Ikeda, Kenji Ikeda 1987-02-24
4644377 Fluoran derivatives and recording material using the same Masato Satomura, Ken Iwakura 1987-02-17
4628335 Heat-sensitive recording material Kenji Ikeda, Kensuke Ikeda 1986-12-09
4582762 Soft vinyl chloride resin-silicone composite shaped article Masayuki Onohara, Masaru Shibata, Nobuhisa Kawaguchi 1986-04-15
4554566 Heat-sensitive recording material Junichi Yoneda 1985-11-19
4539578 Heat sensitive recording material Hiroharu Matsukawa 1985-09-03
4520377 Heat-sensitive recording materials Ken Iwakura 1985-05-28
4479138 Heat-sensitive recording materials Kensuke Ikeda 1984-10-23
4471073 Heat-sensitive recording materials Kensuke Ikeda, Takekatsu Sugiyama, Hiroharu Matsukawa 1984-09-11
4466007 Heat-sensitive recording paper Sukenori Nakamura 1984-08-14
4460626 Heat-sensitive recording material Sukenori Nakamura, Hiroharu Matsukawa 1984-07-17
4455346 Heat-sensitive recording paper Sukenori Nakamura 1984-06-19
4442179 Heat-sensitive recording paper Sukenori Nakamura 1984-04-10
4436920 Image recording members Kozo Sato, Ken Iwakura 1984-03-13
4416939 Heat-sensitive recording paper Sukenori Nakamura 1983-11-22