HI

Hiroaki Ishikawa

DE Denso: 14 patents #767 of 11,792Top 7%
Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
Nsk: 6 patents #247 of 1,559Top 20%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Canon: 4 patents #10,118 of 19,416Top 55%
AC Asahi Kasei Kogyo Co.: 3 patents #207 of 1,395Top 15%
NC Nippondenso Co.: 3 patents #799 of 3,479Top 25%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
JA Japan Aerospace Exploration Agency: 2 patents #70 of 546Top 15%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
RE Ryoden Semiconductor System Engineering: 2 patents #57 of 195Top 30%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
TI Tokai Rubber Industries: 1 patents #281 of 557Top 55%
YC Yoshino Kogyosho Co.: 1 patents #202 of 361Top 60%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Overall (All Time): #36,598 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
5577958 Wind direction adjusting device Eriko Kumekawa, Satoru Kotoh, Takayuki Yoshida, Yasuo Sone, Katsutoshi Nishikawa 1996-11-26
5476229 Annular multi layer coil assembly 1995-12-19
5462929 Treatment of psoriasis by administration of 4-carbamoyl-1-.beta.-D-ribofuranosylimidszolium-5-oleate Makoto Kawashima, Kazuhiro Nagano, Kazuyoshi Hori, Masataka Morishita 1995-10-31
5424600 Spark protected alternator Hirofumi Fujimoto, Kenichi Mizuta 1995-06-13
5420496 Electronic device 1995-05-30
5278212 Flow modifier for thermoplastic resin and thermoplastic resin composition containing the same Hajime Nishihara, Katsuaki Maeda, Hiroshi Mikami 1994-01-11
5102586 Agglomerating process of sinter mix and apparatus therefor Norifumi Fuji, Shunji Iyama, Shoji Nitta, Kazuo Hosomi, Takumi Fukagawa +1 more 1992-04-07
5039714 Rubber-modified polystyrene resin composition Hideo Kasahara, Masashi Sakamoto, Kiyoshi Maeda 1991-08-13
4904871 Method of determining radioactivity of low energy beta rays 1990-02-27
4761555 Automatic efficiency tracing method and its apparatus 1988-08-02
4286211 Direct current detecting device using saturable reactors Kiyoshi Nakamura, Hisakatsu Kiwaki, Fumio Ogata 1981-08-25
4245291 Electric power converter apparatus for an a.c. electric rolling stock Yoshio Tsutsui, Kyozo Tachibana 1981-01-13