KO

Keiji Ogawa

MC Murata Manufacturing Co.: 5 patents #1,480 of 5,295Top 30%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
AC Advics Co.: 1 patents #370 of 686Top 55%
AI Aisin: 1 patents #310 of 1,000Top 35%
Overall (All Time): #304,787 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12212209 Motor unit Yasuhito Nakashima, Atsushi Inoue, Kyohei Asahi 2025-01-28
11358203 Method for producing press-formed product Junki NATORI, Yoshiaki Nakazawa, Ryuichi NISHIMURA 2022-06-14
10682681 Press forming apparatus and press forming method Ryuichi NISHIMURA, Kenichiro Otsuka, Yoshiaki Nakazawa 2020-06-16
10680464 Contactless power receiver, contactless power feeder, and contactless power transmission system provided with same Hiroshi Tominaga, Akio Kurobe 2020-06-09
7672145 Electronic component module Junya Shimakawa, Hideyuki Fujiki 2010-03-02
7245505 Laminated electronic component Mitsuhide Kato, Yoshikazu Chigodo 2007-07-17
7151321 Laminated electronic component Hiromichi KITAJIMA, Mitsuhide Kato 2006-12-19
7126057 Integrated electronic component Mitsuhide Kato, Yoshinori Yamada 2006-10-24
6927744 Antenna structure of mobile communication device and mobile communication device having the same antenna structure Tetsuya Saito 2005-08-09
6704202 Power controller and compressor for refrigeration system Koji Hamaoka, Tomonori Nakano 2004-03-09
6014004 Refrigerating apparatus, and refrigerator control and brushless motor starter used in same Kouji Hamaoka, Koyo Shibuya, Takashi Satomura, Hideharu Ogahara, Yasuhiro Tsujii +1 more 2000-01-11
5970733 Refrigerating apparatus and refrigerator control and brushless motor starter used in same Kouji Hamaoka, Koyo Shibuya, Takashi Satomura, Hideharu Ogahara, Yasuhiro Tsujii +1 more 1999-10-26
5857349 Refrigerating apparatus, and refrigerator control and brushless motor starter used in same Kouji Hamaoka, Koyo Shibuya, Takashi Satomura, Hideharu Ogahara, Yasuhiro Tsujii +1 more 1999-01-12
5786736 Non-reciprocal circuit element Hiroki Dejima, Takashi Hasegawa, Yutaka Ishiura, Yoshikazu Chigodou, Hiroshi Matsui 1998-07-28
5274253 Semiconductor protection device against abnormal voltage 1993-12-28