AT

Akira Tsukada

Sharp Kabushiki Kaisha: 7 patents #14 of 598Top 3%
OC Oriental Photo Industrial Co.: 1 patents #1 of 3Top 35%
Overall (1989): #868 of 140,708Top 1%
8
Patents 1989

Issued Patents 1989

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D304955 Cartridge for ink ribbon 1989-12-05
D304457 Printer for cash register 1989-11-07
D303984 Printer for cash register 1989-10-10
D303395 Cash register Tatsumi Wada 1989-09-12
D301894 Cash register Tooru Makidera 1989-06-27
4820617 Heat-developable photosensitive material Tetuya Higuchi, Yukio Takegawa 1989-04-11
D300146 Typewriter 1989-03-07
D299358 Typewriter 1989-01-10