YY

Yuji Yasuda

TO Toyota: 49 patents #188 of 26,838Top 1%
KC Koito Manufacturing Co.: 17 patents #65 of 1,047Top 7%
Ricoh Company: 15 patents #1,477 of 9,818Top 20%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KC Koyo Sealing Techno Co.: 1 patents #11 of 34Top 35%
MI Mitsuba: 1 patents #291 of 618Top 50%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
TC Toyoda Iron Works Co.: 1 patents #62 of 147Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
DC Dwango Co.: 1 patents #30 of 56Top 55%
Overall (All Time): #20,117 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 76–85 of 85 patents

Patent #TitleCo-InventorsDate
5166704 Laser writing device for image forming equipment 1992-11-24
5057863 Variable magnification optics for an image forming apparatus 1991-10-15
4949120 Illuminating device Tetsuya Fujioka 1990-08-14
4906081 Transmissive filter for correcting illuminance distribution 1990-03-06
4891739 Illuminating device 1990-01-02
4782369 Device for illuminating an original document Yoshiyuki Tanimoto 1988-11-01
4754950 Valve Kaoru Tada, Mituo Kawai, Tetsuo Fujiwara, Noriyuki Chujyo, Masahiko Hasunuma 1988-07-05
4747033 Illuminating device 1988-05-24
4572658 Variable magnification imaging device for copier Shigeru Suzuki 1986-02-25
4189763 Document illumination apparatus Shigeru Suzuki 1980-02-19