JF

Jiro Fujiwara

SO Sony: 8 patents #5,352 of 25,231Top 25%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
OM Omron: 1 patents #1,808 of 3,089Top 60%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
Overall (All Time): #512,129 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10497392 Disk holder for disk cartridge Takuji Nakamura, Takashi Yamamoto, Satoshi Moriyama, Masaya Orime, Hideki Yoneoka +1 more 2019-12-03
9261899 Electronic apparatus 2016-02-16
8978054 Cartridge for accomodating a disc-shaped recording medium Naohisa Manjome, Hiroshi Nakayama, Hiroyuki Takemoto 2015-03-10
7154705 Magnetic head for rotary head drum Masahiro Kanaguchi, Hikaru Hirata 2006-12-26
7116247 Security arrangement with in-vehicle mounted terminal Masatoshi Yajima, Atsushi Shimizu, Tanichi Ando, Tomohiko Okundo, Hiroya Ueda 2006-10-03
7016148 Magnetic head for rotary head drum Masahiro Kanaguchi, Hikaru Hirata 2006-03-21
5722584 Carton applicable as display package 1998-03-03
4814902 Apparatus for recording and/or reproducing with video and multiple audio rotary heads Hisayoshi Chino, Teruyuki Yoshida, Jun Takayama, Katsuichi Tachi, Hideto Suzuki 1989-03-21
4786011 Loading device for directing a tape-like element from a supply reel to a take-up reel and about a guide drum therebetween Yoshiaki Sugiyama, Hisayoshi Chino, Hiroaki Ohishi 1988-11-22
4779818 Tape-like element loading device Yoshiaki Sugiyama, Hisayoshi Chino 1988-10-25