HA

Hiromichi Arakawa

DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
Overall (All Time): #1,539,718 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8383743 Ink composition for jet printer Akio Kumagai, Shigehiro Tanaka, Kazuhiro Kaneko, Yoshinosuke Shimamura 2013-02-26
8163820 Process for producing aqueous pigment dispersions for ink-jet recording Hideaki Kaji, Kazuhiro Kaneko, Ritsuko Small, Shinichi Okada, Hiroshi Harada +1 more 2012-04-24
4642324 Vinyl chloride resin composition Toshiaki Kobayashi, Tatsuo Ohira 1987-02-10