HU

Hiroyuki Umeda

VJ Victor Company Of Japan: 23 patents #33 of 1,489Top 3%
KO Komatsu: 5 patents #350 of 2,087Top 20%
SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
KS Kabushiki Kaisha Machida Seisakusho: 3 patents #3 of 17Top 20%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #83,408 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
4626938 Tape loading device in a recording and/or reproducing apparatus Kazutaka Ashida 1986-12-02
4608616 Tape cassette having a lock mechanism for locking a tape protecting lid Yoshiaki Wakui 1986-08-26
4602300 Adapter for a miniature type tape cassette Haruki Ogata, Kimio Ogawa 1986-07-22
4559574 Tape cassette 1985-12-17
4558384 Miniature type tape cassette and adapter means 1985-12-10
4536810 Adapter for a miniature type tape cassette 1985-08-20
4499513 Recording and/or reproducing apparatus 1985-02-12
4494161 Tape cassette Haruki Ogata, Kimio Ogawa 1985-01-15
4477850 Adapter for a miniature type tape cassette Haruki Ogata, Kimio Ogawa 1984-10-16
4476505 Miniature type tape cassette Haruki Ogata, Kimio Ogawa 1984-10-09
4452407 Tape cassette having a reel braking mechanism Haruki Ogata, Kimio Ogawa 1984-06-05
4449676 Tape cassette having a reel displacement limiting mechanism Haruki Ogata 1984-05-22
4432510 Tape cassette Haruki Ogata, Kimio Ogawa 1984-02-21
4410919 Tape loading apparatus in a recording and/or reproducing apparatus 1983-10-18