KI

Kenichi Ichikawa

NT Ntn: 6 patents #253 of 1,364Top 20%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
VM Via Mechanics: 1 patents #11 of 34Top 35%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #481,507 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12289836 Method for manufacturing mounting substrate, and component mounting device Syoichi Nishi, Hideki Sumi, Hiroshi Murata, Koji Sakurai 2025-04-29
10414685 Substrate processing method Kaori Tateishi, Yasushi Ito 2019-09-17
7665899 Outer ring, drawn cup needle roller bearing, drawn cup needle roller bearing structured body, piston pin supporting structure of engine, crankshaft supporting structure of engine, and 2-cycle engine Tomoaki Terada 2010-02-23
7603929 Rolling bearing, cam-follower with roller, and cam Yasuyuki Watanabe 2009-10-20
7571706 Needle roller bearing and its manufacturing method Shinya Oooka 2009-08-11
7490583 Full-type rolling bearing and roller cam follower for engine Tadatoshi Suzuki, Kikuo Maeda, Yukio Fujii 2009-02-17
5664653 Rotary unit having clutch function Masahiro Kurita, Masakazu Doumoto 1997-09-09
5271486 Torque limiter Yuji Okamoto, Masahiko Kataoka, Shoji Itomi 1993-12-21
5270740 Ink jet head Osamu Naruse, Hiromichi Komai, Toshio Inada, Toshitaka Hirata, Tomoaki Nakano +4 more 1993-12-14
4524365 Receptacle for waste ink collection in ink jet recording apparatus Sadao Kakeno, Minoru Ameyama, Michio Umezawa, Tomoyuki Yamaguchi 1985-06-18