HK

Hitoshi Koyama

AD Advanced Display: 4 patents #31 of 147Top 25%
MC Mitsui Engineering & Shipbuilding Co.: 3 patents #50 of 496Top 15%
KO Komatsu: 2 patents #831 of 2,087Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
YC Yanmar Holdings Co.: 1 patents #349 of 636Top 55%
AE Aida Engineering: 1 patents #83 of 163Top 55%
AA Autoliv Development Ab: 1 patents #518 of 1,363Top 40%
Overall (All Time): #380,870 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10072540 Variable valve timing mechanism and engine with variable valve timing mechanism 2018-09-11
9650209 Conveying device 2017-05-16
9022423 Airbag device Naoki Hosoe 2015-05-05
8127931 Apparatus for removing unburned carbon in fly ash Kazuyoshi Matsuo, Kazuo Abe, Toshio Yamaki 2012-03-06
7993450 Method for removal of unburned carbon in fly ash Kazuo Abe, Takao Suzuki, Kazuyoshi Matsuo, Shinichiro Saito 2011-08-09
7918344 Method for removal of unburned carbon from fly ash Kazuo Abe, Takao Suzuki, Kazuyoshi Matsuo, Shinichiro Saito 2011-04-05
7812908 Display apparatus and method for manufacturing substrate for display apparatus 2010-10-12
7136132 Liquid crystal display device and manufacturing method therefor Akio Nakayama, Shingo Nagano, Masaya Mizunuma, Kazuhiro Kobayashi 2006-11-14
6958793 Liquid crystal display device 2005-10-25
6907916 Cooling apparatus for a work machine 2005-06-21
6801283 Liquid crystal display device Tetsuyuki Kurata, Tetsuya Satake, Takahiro Nishioka 2004-10-05
6618108 Liquid crystal display device 2003-09-09
6499556 Revolving deck for earthmoving machinery 2002-12-31