HT

Harumi Tanaka

SO Sony: 15 patents #2,858 of 25,231Top 15%
SC Sun Medical Co.: 7 patents #5 of 59Top 9%
MI Minolta: 5 patents #345 of 1,109Top 35%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
EC Ea Pharma Co.: 1 patents #25 of 78Top 35%
Overall (All Time): #115,601 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5228972 Apparatus for measuring concentration of test substance in liquid Tatsuhiko Osaka, Koichi Yamasaki, Hiroshi Terawaki, Toji Mukai, Sadaaki Nakaoka +1 more 1993-07-20
4596452 Thin disc camera Hiroshi Ueda, Akira Yoshizaki 1986-06-24
4527876 Exposure control shutter of a camera Takashi Iwata 1985-07-09
4490029 Camera with a framing mirror Hiroshi Ueda, Keisuke Maeda, Akira Yoshizaki 1984-12-25
RE31516 Filmstrip metering device for a camera 1984-02-07
4222645 Camera shutter release device Toshinori Imura 1980-09-16