AN

Akira Nakayama

OC Oki Semiconductor Co.: 11 patents #2 of 526Top 1%
NC Nippon Zeon Co.: 8 patents #37 of 609Top 7%
LC Lapis Semiconductor Co.: 8 patents #21 of 349Top 7%
SO Sony: 7 patents #6,034 of 25,231Top 25%
HC Hitachi Construction Machinery Co.: 7 patents #185 of 1,234Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
OC Oki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
IC Ihi Machinery And Furnace Co.: 4 patents #8 of 26Top 35%
NT NTT: 4 patents #1,310 of 4,871Top 30%
IH Ihi: 4 patents #212 of 1,178Top 20%
Kyocera: 3 patents #999 of 3,732Top 30%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
ZE Zeon: 3 patents #220 of 734Top 30%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
SC Sanyo Denki Co.: 2 patents #92 of 221Top 45%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NT Nippon Telegraph: 1 patents #2 of 53Top 4%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KN Komatsu Ntc: 1 patents #22 of 57Top 40%
NC Nec Casio Mobile Communications: 1 patents #20 of 72Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
OD Oki Data: 1 patents #442 of 635Top 70%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Overall (All Time): #22,685 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 76–80 of 80 patents

Patent #TitleCo-InventorsDate
4594174 Magnetic paint for magnetic recording media Katsuya Nakamura, Kotaro Hata, Makoto Yamamoto 1986-06-10
4460753 Process for producing vinyl chloride polymers in a coated reactor and coating product therefor Makoto Yamamoto, Riso Iwata 1984-07-17
4421954 Automatic telephone answering and message recording device Satoshi Mita, Kouichi Tanaka, Yoshitomo Nakano, Harumi Saita 1983-12-20
4333034 Grid structure for color cathode ray tube Akio Ohgoshi, Yoshihiro Tsukamura, Takehisa Natori 1982-06-01
4291253 Grid structure for color picture tube Akio Ohkoshi, Eiji Ishii, Shoji Kato, Yoshiyuki Tanaka 1981-09-22