KN

Keiichi Nakajima

SB Softbank Bb: 10 patents #1 of 6Top 20%
SS Sumitomo Wiring Systems: 5 patents #684 of 2,615Top 30%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
KC Konami Digital Entertainment Co.: 1 patents #313 of 611Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
NE Nec: 1 patents #7,889 of 14,502Top 55%
📍 Yokkaichi, JP: #143 of 2,072 inventorsTop 7%
Overall (All Time): #162,922 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
11019774 Plant cultivation device 2021-06-01
9779581 Amusement system Tomoaki Fujii, Naoya Osawa, Hiroyuki Muraki, Yoshiko Hojo, Kazuya Takahashi +1 more 2017-10-03
8678409 Suspension structure and link arranging method Reo Koide, Yoshihiro Kawabe 2014-03-25
8628101 Suspension structure, bush structure and suspension characteristic adjusting method Reo Koide, Yoshihiro Kawabe 2014-01-14
8573619 Suspension assembling structure, spring seat, and suspension assembling method Reo Koide 2013-11-05
7911050 Semiconductor device and method for manufacturing the same 2011-03-22
7865401 Electronic settlement system, settlement apparatus, and terminal 2011-01-04
7657490 Electronic settlement system, settlement device, and terminal 2010-02-02
7570714 Data transfer apparatus for low voltage differential signaling Yoshihiko Hori 2009-08-04
7571117 Electronic authentication system, authentication apparatus, and terminal 2009-08-04
7523067 Electronic settlement system, settlement apparatus, and terminal 2009-04-21
7457782 Electronic settlement system, settlement apparatus and terminal 2008-11-25
7448540 Electronic settlement system, settlement apparatus and terminal 2008-11-11
7430522 Exchange rate calculator 2008-09-30
7296755 Electronic payment system, payment apparatus and terminal thereof 2007-11-20
7273183 Wireless tag 2007-09-25
7014106 Electronic payment system, payment apparatus, and terminal thereof 2006-03-21
6796491 Electronic payment system, payment apparatus and terminal thereof 2004-09-28
6587089 LCD panel and LCD device equipped therewith 2003-07-01
6195549 Digital mobile communication system 2001-02-27
5618193 Structure for connecting spark plug and ignition coil for internal combustion Tadashi Fujita, Tetsuya Miwa 1997-04-08
5492105 Ignition system for internal combustion engine Tadashi Fujita 1996-02-20
D360875 Protector for an electrical connecting part 1995-08-01
5421736 Construction for retaining coiled spring of high-voltage terminal in engine ignition system Hisao Imanishi, Tadashi Fujita 1995-06-06
5340323 Coil spring engagement construction of a high tension terminal in an engine ignition apparatus Hisao Imanishi 1994-08-23