MA

Mitsumasa Akashi

KO Komatsu: 14 patents #78 of 2,087Top 4%
KS Komatsu Shisakusho: 4 patents #94 of 885Top 15%
TO Tosoh: 1 patents #576 of 1,042Top 60%
Overall (All Time): #238,911 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
9599225 Blocking configuration of oil pressure circuit hole Takuya Nohara, Hiroyuki Chikugo, Shuuji Hori 2017-03-21
9309646 Steering device for wheel loader Kota Imanishi, Hiroyuki Chikugo, Shuuji Hori, Akira Hasebe, Shuki Akushichi +1 more 2016-04-12
9309647 Steering device for wheel loader Kota Imanishi, Hiroyuki Chikugo, Shuuji Hori, Akira Hasebe, Shuki Akushichi +1 more 2016-04-12
9309648 Steering device for wheel loader Kota Imanishi, Hiroyuki Chikugo, Shuuji Hori, Akira Hasebe, Shuki Akushichi +1 more 2016-04-12
9085319 Steering device for wheel loader Kota Imanishi, Hiroyuki Chikugo, Shuuji Hori, Akira Hasebe, Shuki Akushichi +1 more 2015-07-21
8905244 Oil filter and valve device Shuuji Hori, Masayuki Tajima 2014-12-09
8770087 Hydraulic servo-drive device and variable turbo-supercharger using the same Daisuke Kozuka, Masayuki Tajima, Shuuji Hori 2014-07-08
8468909 Electric lever device Shuuji Hori, Hiroyuki Chikugo 2013-06-25
7930943 Differential pressure sensor Masato Kageyama 2011-04-26
5794510 Pressurized fluid feed system Toshiro Takano, Yoichi Netsu 1998-08-18
5778929 Directional control valve assembly having a pressure compensation valve Naoki Ishizaki 1998-07-14
5738134 Pressure compensation valve Naoki Ishizaki 1998-04-14
5735311 Pressure compensation valve Naoki Ishizaki 1998-04-07
5701796 Hydraulic apparatus for traveling Toshiro Takano 1997-12-30
5677380 Planarizing material and planarizing method Kosaburo Matsumura, Yoshitaka Tsutsumi, Masazumi Hasegawa 1997-10-14
5622206 Multiple valve unit for pressurized fluid supply system Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Teruo Akiyama, Jun Maruyama +1 more 1997-04-22
5533334 Pressurized fluid supply system Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Teruo Akiyama, Jun Maruyama +1 more 1996-07-09
5224589 Operating lever device Tadao Karakama 1993-07-06
5074330 Anti-abnormal-pressure/vacuum valve 1991-12-24