HA

Hitoshi Arita

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
DI Dai Nippon Insatsu: 12 patents #19 of 371Top 6%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #132,352 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4908345 Dye receiving Noritaka Egashira 1990-03-13
4820686 Sheet for heat transference Yoshikazu Ito, Masanori Akada, Masaki Kutsukake, Mineo Yamauchi, Masanori Saito +2 more 1989-04-11
4778782 Heat transferable sheet Yoshikazu Ito, Masanori Akada 1988-10-18
4720480 Sheet for heat transference Yoshikazu Ito, Masanori Akada, Masaki Kutsukake, Mineo Yamauchi, Masanori Saito +2 more 1988-01-19