KO

Koichi Ogawa

Sumitomo Electric Industries: 50 patents #160 of 21,551Top 1%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
TT Takara Telesystems: 4 patents #3 of 10Top 30%
KC Kuraray Co.: 3 patents #492 of 1,827Top 30%
TC Telesystems Co.: 3 patents #2 of 8Top 25%
HT Hayashi Telempu: 2 patents #9 of 139Top 7%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
TC Toyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
FL Fujitsu Ten Limited: 2 patents #266 of 996Top 30%
NI Nifco: 1 patents #245 of 650Top 40%
KA Kaaz: 1 patents #4 of 15Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
MC Muramoto Industry Co.: 1 patents #7 of 16Top 45%
JC Japan Polyolefins Co.: 1 patents #37 of 85Top 45%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
📍 Ebeye: #9 of 4,528 inventorsTop 1%
Overall (All Time): #19,280 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 76–87 of 87 patents

Patent #TitleCo-InventorsDate
5982330 Antenna apparatus Yoshio Koyanagi, Masazumi Yamazaki 1999-11-09
5969690 Mobile radio antenna Masaaki Yamabayashi, Naoki Yuda 1999-10-19
5851305 Washing apparatus and washing method Yousuke Yamada, Yoshio Fujioka, Ryuichi Isono, Nobuo Takahashi, Akio Hayashi +2 more 1998-12-22
5809300 Removable storage medium and computer system using the same Kenichi Utsumi, Makoto Yoshioka, Satoshi Itami, Kazunori Naito, Kazuo Nakashima 1998-09-15
5539419 Antenna system for mobile communication Tomoki Uwano 1996-07-23
5526003 Antenna for mobile communication Tomoki Uwano, Masao Takahashi 1996-06-11
4733440 Belt buckle 1988-03-29
4700194 Small antenna Tomoki Uwano, Hiroaki Kosugi, Junko Yamamoto 1987-10-13
4650742 Recording media with recording layer of two metal layers sandwiching sublimable organic substance layer Yasuyuki Goto, Nagaaki Koshino, Seiya Ogawa, Hironori Goto 1987-03-17
4627040 Optical disk tracking apparatus Shigeru Arai, Itaru Shibata, Akira Minami 1986-12-02
4323455 Compact type fluid treatment apparatus Yoshinobu Tanaka, Minoru Hioka 1982-04-06
4310416 Plate type fluid treatment apparatus Yoshinobu Tanaka, Minoru Hioka 1982-01-12