HK

Hiroshi Kurumatani

Sumitomo Electric Industries: 17 patents #1,358 of 21,551Top 7%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #239,191 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
9784940 Lens barrel Fumio Shinano, Junichi Takahashi 2017-10-10
8830605 Lens unit Makoto Miyamoto, Tadashi Niki, Akio Konishi 2014-09-09
7342742 Magnetic recording and reproduction apparatus Akio Konishi, Koichiro Hirabayashi, Yoshiyuki Saito 2008-03-11
7280310 Magnetic recording and reproduction apparatus Koichiro Hirabayashi, Toshiaki Ueta 2007-10-09
7221535 Magnetic recording and reproduction apparatus Akio Konishi, Koichiro Hirabayashi, Yoshiyuki Saito 2007-05-22
7187516 Magnetic recording and reproduction apparatus Toshiaki Ueta, Koichiro Hirabayashi 2007-03-06
7170711 Magnetic recording and reproduction apparatus Koichiro Hirabayashi, Yoshiyuki Saito 2007-01-30
7167337 Magnetic recording and reproducing apparatus including an idler mounted on a main chassis Kazuo Shibukawa, Koichiro Hirabayashi 2007-01-23
7164553 Magnetic recording and reproduction apparatus Yoshiyuki Saito, Koichiro Hirabayashi 2007-01-16
7163172 Reel driving device Kazuo Shibukawa, Koichiro Hirabayashi, Akio Konishi 2007-01-16
7161762 Magnetic recording and reproduction apparatus Koichiro Hirabayashi, Yoshiyuki Saito 2007-01-09
6882499 Magnetic recording/reproducing device Koichiro Hirabayashi 2005-04-19
6882498 Magnetic recording/reproducing device Koichiro Hirabayashi 2005-04-19
5790342 Loading post driving device having first and second loading rings held only by a loading ring guide Akio Konishi, Yoshiyuki Saito, Shuzo Takeda, Hideaki Yoshio 1998-08-04
5636080 Magnetic recording/playback apparatus having a leaf-type resilient member which is provided between a guide post and a type loading member and is urged against the guide post Akio Konishi, Hideaki Yoshio, Tetsuki Asaoka, Yoshitada Moriyasu, Sigeo Ueda +2 more 1997-06-03
5546249 Tape loading apparatus with loading post driving device Akio Konishi, Yoshiyuki Saito, Shuzo Takeda, Hideaki Yoshio 1996-08-13
5490019 Magnetic tape driving system having rotating member with increased angle of rotation Akio Konishi, Hideaki Yoshio, Tetsuki Asaoka, Yoshitada Moriyasu, Sigeo Ueda +2 more 1996-02-06
5365386 Loading post driving device Akio Konishi, Yoshiyuki Saito, Shuzo Takeda, Hideaki Yoshio 1994-11-15
5285332 Tape loading device with reduced tape running load and simplified construction for magnetic recording and/or reproducing apparatus Akio Konishi, Hideaki Yoshio, Yoshiyuki Saito 1994-02-08