RI

Ren Ito

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #1,308,644 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4490496 Moistureproof insulating coating composition for packing circuit boards Iwao Maekawa, Eiji Omori, Isao Uchigasaki, Hideyuki Tobita, Naoki Yokoyama +2 more 1984-12-25
4454052 Liquid absorbent for absorption type refrigerator Mitsuyoshi Shoji, Etsuo Oe, Yoshiharu Honma, Shigeki Komatsuzaki, Moriichi Sato 1984-06-12
4381886 Liquid crystal display element Hisao Yokokura, Teruo Kitamura, Fumio Nakano, Hirosada Morishita, Mikio Sato +1 more 1983-05-03
4252414 Liquid crystal display element Kiyoshige Kinugawa, Tadashi Ishibashi, Yoshimichi Shibuya, Yasuhiko Kando, Masatoshi Ito +1 more 1981-02-24