HK

Hiroki Kitagawa

HC Hitachi Koki Co.: 18 patents #45 of 888Top 6%
Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
YA Yazaki: 11 patents #397 of 3,427Top 15%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
KC Koki Holdings Co.: 3 patents #64 of 215Top 30%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
HU Hokkaido University: 1 patents #20 of 74Top 30%
HI Hitchi: 1 patents #1 of 56Top 2%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
NC Nissin Kogyo Co.: 1 patents #171 of 334Top 55%
📍 Ibaraki, CA: #6 of 23 inventorsTop 30%
Overall (All Time): #27,593 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 26–50 of 72 patents

Patent #TitleCo-InventorsDate
8066165 Fastener driving tool Yoshinori Ishizawa, Masashi Nishida 2011-11-29
7874888 Inspection method and inspection device, repairing method and repairing device for organic electroluminescence panel Noriyuki Suzuki 2011-01-25
7852102 Method and apparatus for inspecting semiconductor device Hiroaki Katsura 2010-12-14
7598662 Low-pressure mercury vapor lamp with an adhering unit to improve luminous efficiency Masahiro Miki 2009-10-06
7490747 Fastener driving tool including push lever configured to avoid inclined orientation of the driver fasteners 2009-02-17
7441683 Fastener driving tool Yoshinori Ishizawa, Masashi Nishida 2008-10-28
D577138 Fluorescent lamp Shiro Iida 2008-09-16
D576749 Fluorescent lamp Shiro Iida 2008-09-09
7414358 Fluorescent lamp and manufacturing method for arc tube Shiro Iida, Kenji Nakano, Noriyuki Uchida, Tatsuhiro Yabuki, Junichi Takahashi +1 more 2008-08-19
D574094 Fluorescent lamp Shiro Iida 2008-07-29
D574093 Fluorescent lamp Shiro Iida 2008-07-29
7395953 Fastener driving tool Yoshinori Ishizawa, Masashi Nishida 2008-07-08
7394189 Compact self-ballasted fluorescent lamp having a circuit board with connection members Shiro Iida, Akiko Nakanishi, Yasushige Tomiyoshi, Toshikatsu Kotaki 2008-07-01
D570002 Fluorescent lamp Shiro Iida 2008-05-27
7328494 Driving tool having piston and driver blade Takuhiro Murakami 2008-02-12
7325709 Fastener driving tool and magazine device Yoshinori Ishizawa, Masashi Nishida 2008-02-05
7322501 Fastener driving tool Yoshinori Ishizawa, Masashi Nishida 2008-01-29
D560023 Base for fluorescent lamp Shiro Iida 2008-01-15
D558916 Base for fluorescent lamp Shiro Iida 2008-01-01
D558917 Base for fluorescent lamp Shiro Iida 2008-01-01
D557858 Fluorescent lamp Shiro Iida 2007-12-18
D557859 Fluorescent lamp Shiro Iida 2007-12-18
D557860 Fluorescent lamp Shiro Iida 2007-12-18
D557861 Fluorescent lamp Shiro Iida 2007-12-18
D557452 Base for fluorescent lamp Shiro Iida 2007-12-11