HK

Hirohiko Kato

DP Daio Paper: 4 patents #40 of 258Top 20%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
Overall (All Time): #624,322 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11485563 Packaging bag 2022-11-01
11358774 Sheet package with a first slit 2022-06-14
11253129 Hygienic thin-leaf paper Shinichi WARASHINA 2022-02-22
11192325 Hygienic thin-leaf paper Shinichi WARASHINA 2021-12-07
5100771 Silver halide color photographic material with water insoluble organic solvent soluble polymer Keiji Mihayashi, Hidetoshi Kobayashi 1992-03-31
4923790 Silver halide photographic material Keiji Mihayashi, Kazuhiro Aikawa 1990-05-08
4840877 Silver halide color photographic material and method for processing the same Akira Abe, Keiji Mihayashi, Hidetoshi Kobayashi 1989-06-20
4536472 Silver halide color photographic light-sensitive material Seiji Ichijima, Keiichi Adachi, Toshiyuki Watanabe 1985-08-20