KI

Keiji Ito

PE Pentax: 16 patents #119 of 761Top 20%
NC Nippondenso Co.: 7 patents #296 of 3,479Top 9%
DE Denso: 6 patents #2,220 of 11,792Top 20%
NS Nippon Soken: 6 patents #209 of 1,540Top 15%
HO Hoya: 5 patents #232 of 1,290Top 20%
TE Terarecon: 3 patents #20 of 47Top 45%
HZ Hitachi Zosen: 3 patents #73 of 531Top 15%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
TB Takara Belmont: 2 patents #6 of 53Top 15%
MC Mitsubishi Precision Co.: 1 patents #15 of 42Top 40%
AK Asashi Kogaku Kogyo Kabushiki Kaisha: 1 patents #2 of 11Top 20%
MC Mitsubishi Nichiyu Forklift Co.: 1 patents #15 of 41Top 40%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
📍 Shibuya, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #41,105 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
5411020 Structure of the distal end portion of an endoscope 1995-05-02
5409759 Metal assembly Tosiharu Kondo, Takasi Obata, Kiyotaka Matuo, Yasuyuki Kawabe, Yukikatsu Ozaki 1995-04-25
5391851 Multi-point welding method and catalyst support produced thereby Kiyotaka MATSUO, Masao Yokoi, Yasuyuki Kawabe, Ichiro Hashimoto 1995-02-21
5305736 Distal end part of endoscope 1994-04-26
4972828 Endoscope having adjustable forceps insertion inlet portion 1990-11-27
4971035 Insert part of endoscope 1990-11-20
4632683 Exhaust gas purifying filter and production of the same Masanori Fukutani, Naoto Miwa, Kazuyuki Ito 1986-12-30
4519820 Fitter apparatus for purifying exhaust gases Kazuo Oyobe, Etsuji Nomura, Kazuma Matsui, Masanori Fukutani, Kazuyuki Ito +1 more 1985-05-28