TI

Tetsuo Ishikawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
MC Max Co.: 1 patents #201 of 321Top 65%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
NO Nok: 1 patents #382 of 725Top 55%
RI Riken: 1 patents #679 of 1,824Top 40%
SC Sumitomo Naugatuck Co.: 1 patents #22 of 54Top 45%
SS Sumitomo (Sei) Brake Systems: 1 patents #7 of 18Top 40%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #368,476 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11961204 State visualization device, state visualization method, and state visualization program Eiryo Kawakami 2024-04-16
7584914 Drainage pipe washing apparatus Hiroyuki Nishikawa 2009-09-08
6739378 Internal chill casting method for manufacturing a cast product containing a pipe therein Kaoru Sugita, Yoshihiro Tajima, Masayuki Yasuda, Masahide Hamada, Yoshiki Matsuzaki 2004-05-25
6690548 Ramp for use in information recording disk apparatus, and information recording disk apparatus Ichiroh Koyanagi, Yuhji Kobayashi, Tsai-Wei Wu 2004-02-10
6560435 Electrophotographic image forming device having projections on a surface of an intermediate transfer body Masashi Yamamoto, Koichi Niwa, Shinichi Hosaka, Masahiro Nakano, Masahiko Saito +1 more 2003-05-06
5497495 Computer electronic system having a cover for every module Shigeru Oomori, Daijiro Hashimoto, Toshihiro Mochiduki, Satoshi Takano 1996-03-05
5243453 Anti-moisture structures for use with a liquid crystal display Takuo Kawaguchi, Yoshiaki Takeda, Kousuke Yamada 1993-09-07
5182574 Thermal head Masakazu Kato, Takatoshi Ishikawa 1993-01-26
4933723 Resin coated transfer guide for electrophotographic apparatus Atsushi Kakuta, Makoto Kobayashi 1990-06-12
4387311 Uninflammable dynamoelectric machine having coil windings and core encapsulated with unsaturated polyester resin-filler composition Tsuguo Kobayashi, Kenichi Hironaka, Hideo Umetsu, Masatsugu Ogata, Hitoshi Yokono 1983-06-07
4343659 Process for producing copper barrier type, nuclear fuel cladding Kanji Murakami, Motoyo Wajima 1982-08-10
4309959 Apparatus for applying chemical plating to inner surfaces of tubular members Ryozo Yamagishi, Mamoru Mita, Osamu Yoshioka 1982-01-12
4257935 Color developing sheet for pressure-sensitive recording systems Sadao Sekiguchi, Kojiro Matsumoto, Saburo Mishiba, Nobujiro Izaki 1981-03-24