TO

Tsutomu Okita

Fujitsu Limited: 92 patents #56 of 24,456Top 1%
FC Fuji Photo Co.: 1 patents #1 of 51Top 2%
FC Fujifilm Olin Co., Ltd. Co.: 1 patents #3 of 11Top 30%
JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
TC Toagosei Chemical Industry Co.: 1 patents #32 of 115Top 30%
Overall (All Time): #16,914 of 4,157,543Top 1%
93
Patents All Time

Issued Patents All Time

Showing 51–75 of 93 patents

Patent #TitleCo-InventorsDate
4781965 Magnetic recording medium Hiroshi Hashimoto, Noburo Hibino 1988-11-01
4716077 Magnetic recording medium Hiroshi Hashimoto, Masashi Aonuma 1987-12-29
4713287 Magnetic recording medium Yasuo Nishikawa, Yoshito Mukaida, Masahiro Niinomi, Kenji Yanagihara, Mituo Kimura 1987-12-15
4711809 Magnetic recording medium Yasuo Nishikawa, Yoshito Mukaida, Masahiro Niinomi, Kenji Yanagihara, Mituo Kimura 1987-12-08
4707380 Process for preparing a magnetic recording medium Hiroshi Hashimoto, Yoshito Mukaida 1987-11-17
4699844 Magnetic recording medium Nobuo Tsuji, Yoshito Mukaida 1987-10-13
4693927 Magnetic recording medium and process for producing the same Yasuo Nishikawa, Yoshito Mukaida, Kenji Yanagihara, Mituo Kimura, Masahiro Niinomi 1987-09-15
4690870 Magnetic recording medium Nobuo Tsuji, Hiroshi Hashimoto, Yoshito Mukaida 1987-09-01
4686149 Magnetic recording medium and method of preparing Masashi Aonuma, Hideomi Watanabe, Takahito Miyoshi 1987-08-11
4673590 Process for preparing a magnetic recording medium Hiroshi Hashimoto, Noburo Hibino 1987-06-16
4672002 Magnetic recording medium Nobuo Tsuji, Yoshito Mukaida 1987-06-09
4671998 Magnetic recording medium Masashi Aonuma, Hiroshi Hashimoto 1987-06-09
4664734 Process for producing a magnetic recording medium Sugihiko Tada 1987-05-12
4664964 Magnetic recording medium Hiroshi Hashimoto 1987-05-12
4664965 Magnetic recording medium Hiroshi Hashimoto, Yoshito Mukaida 1987-05-12
4657817 Magnetic recording material Kyoichi Naruo, Nobuo Tsuji, Teruo Nakagawa, Kiyoshi Murase, Takahisa Ogasawara 1987-04-14
4632878 Magnetic recording medium Hiroshi Hashimoto, Akiyoshi Hashimoto, Teruo Nakagawa, Hiroyuki Kato 1986-12-30
4621027 Magnetic recording medium Nobuo Tsuji, Yoshito Mukaida, Hiroshi Hashimoto, Teruo Nakagawa, Akiyoshi Hashimoto +1 more 1986-11-04
4619855 Magnetic recording medium with electron beam cured magnetic layer Nobutaka Yamaguchi, Hiroshi Hashimoto 1986-10-28
4619856 Magnetic recording medium Koh Kamada, Hiroshi Hashimoto, Noburo Hibino 1986-10-28
4619868 Magnetic recording medium Kyoichi Naruo, Hiroshi Hashimoto 1986-10-28
4581270 Flexible magnetic disk Mikihiko Kato, Shigeo Komine, Yasutoshi Okuzawa, Kazuhiko Morita 1986-04-08
4578299 Flexible magnetic disk sheet Mikihiko Kato, Shigeo Komine, Yasutoshi Okuzawa, Kazuhiko Morita 1986-03-25
4576866 Magnetic recording material Nobuo Tsuji, Yoshito Mukaida 1986-03-18
4571361 Antistatic plastic films Hideo Kawaguchi, Hiroyuki Tamaki 1986-02-18