HS

Hiroshi Sakaguchi

Sharp Kabushiki Kaisha: 86 patents #55 of 10,731Top 1%
SC Sumitomo Chemical: 7 patents #703 of 4,033Top 20%
IC Ibiden Co.: 2 patents #335 of 730Top 50%
ML Mitsubishi Paper Mills Limited: 2 patents #171 of 458Top 40%
OM Okamura Oil Mill: 2 patents #3 of 16Top 20%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
AT Agency Of Industrial Science And Technology: 2 patents #293 of 1,778Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #12,343 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 51–75 of 108 patents

Patent #TitleCo-InventorsDate
D309624 Electronic calculator Takahisa Yubisui, Mieko Harada 1990-07-31
D309626 Electronic calculator Keiichi Koyama 1990-07-31
D309470 Electronic calculator with printer Tadahiko Saimen 1990-07-24
D309152 Electronic calculator with printer Yoko Ikuzawa 1990-07-10
D308883 Electronic calculator with memorandum function Tadahiko Saimen 1990-06-26
D308692 Electronic calculator Masaki Kawamura 1990-06-19
D308693 Electronic calculator with solar cell Katsuhiro Iida 1990-06-19
D308532 Electronic calculator with printer Masaki Kawamura 1990-06-12
D308533 Electronic calculator with printer Masaki Kawamura 1990-06-12
D308391 Electronic calculator Katsuhiro Iida 1990-06-05
D307889 Computer Toshiya Takahashi 1990-05-15
D307595 Electronic calculator Takahisa Yubisui, Mieko Harada 1990-05-01
D307289 Electronic calculator with printer Masaki Kawamura 1990-04-17
D307292 Electronic calculator Tadahiko Saimen 1990-04-17
D307157 Printer Tadahiko Saimen 1990-04-10
D306176 Combined calculator and cradle therefor Takahisa Yubisui, Masaki Kawamura 1990-02-20
D305906 Electronic calculator with radio Yubisui Takahisa, Tadahiko Saimen 1990-02-06
D305668 Electronic calculator with printer Masaki Kawamura 1990-01-23
D305539 Reader for hand copying machine Tadahiko Saimen 1990-01-16
D305535 Electronic memorandum input/output terminal Tadahiko Saimen 1990-01-16
D304718 Input/output device for electronic memo Masaki Kawamura 1989-11-21
D304175 Input/output terminal Masaki Kawamura 1989-10-24
D303980 Electronic calculator Takahisa Yubisui, Toshiya Takahashi 1989-10-10
D303807 Electronic calculator with memo Takahisa Yubisui, Toshiya Takahashi 1989-10-03
D303679 Electronic calculator Katsuhiro Iida, Toshiya Takahashi 1989-09-26