HK

Hiroyuki Kawanishi

FU Fujifilm: 9 patents #988 of 4,519Top 25%
IL Isuzu Motors Limited: 6 patents #82 of 908Top 10%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
NC Nippon Precision Circuits: 3 patents #15 of 85Top 20%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
MP Mitsubishi Tanabe Pharma: 1 patents #254 of 503Top 55%
NC Nitto Boseki Co.: 1 patents #172 of 339Top 55%
NT Ntn: 1 patents #814 of 1,364Top 60%
SN Seiko Npc: 1 patents #6 of 25Top 25%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
📍 Koriyama, JP: #9 of 266 inventorsTop 4%
Overall (All Time): #134,762 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12286731 Glass cloth, prepreg, and printed wiring board Kazuaki Minami, Koichi Nakamura, Yuichiro Ito, Hirotaka Ikejiri 2025-04-29
10300579 Grinding coolant supplier, grinding system and grinding method 2019-05-28
8863642 Device for controlling the stroke of an actuator Yoshihiro Takei, Yasushi Yamamoto 2014-10-21
8678151 Flow rate control valve for clutch control device Yoshihiro Takei, Yasushi Yamamoto 2014-03-25
8380411 Flow rate control valve for clutch control device Yoshihiro Takei, Yasushi Yamamoto 2013-02-19
8373826 Optical film and method for manufacturing the same Hiromichi FURUKAWA 2013-02-12
8308862 Optical cellulose acylate film, polarizing plate and liquid crystal display device Yosuke Nishiura 2012-11-13
8265844 Flow control valve for clutch control device Yoshihiro Takei, Yasushi Yamamoto 2012-09-11
8233116 Polarizing plate and liquid crystal display Eiichiro Aminaka 2012-07-31
8022059 Indazole acrylic acid amide compound Tetsuo Yamaguchi, Hideki Ushirogochi, Tatsuyuki Takahashi, Tohru Takebe 2011-09-20
7943210 Phase difference plate comprising polymer film containing compound having rod-shaped molecular structure Hiroshi Takeuchi, Hiroaki Sata, Takamichi Fujii 2011-05-17
7927672 Optical cellulose acylate film, polarizing plate and liquid crystal display Sumio Ohtani, Seimi Satake 2011-04-19
7876403 Optical compensation film, polarizing plate and liquid crystal display device Kenichi Fukuda, Yuta Takahashi 2011-01-25
7874541 Proportional solenoid and flow control valve employing thereof Makoto Abe, Yasushi Yamamoto, Tomohisa Sako 2011-01-25
7559986 Phase difference plate comprising polymer film containing compound having rod-shaped molecular structure Hiroshi Takeuchi, Hiroaki Sata, Takamichi Fujii 2009-07-14
7504139 Optical cellulose acylate film, polarizing plate and liquid crystal display Sumio Ohtani, Yosuke Nishiura, Tadashi Ito 2009-03-17
7324177 Polarizing plate and liquid crystal display using the same Yoji Ito 2008-01-29
7161419 Sensor device and a signal amplification device of a small detection signal provided by the sensor Koryo Tei, Kazuya Yano 2007-01-09
7119873 Polarizing plate and liquid crystal display using the same Yoji Ito 2006-10-10
7099082 Method for producing optical compensating film, optical compensating film, circularly polarizing plate, and liquid crystal display Hiroaki Sata, Kiyokazu Hashimoto 2006-08-29
7069285 Decimation filter Akira Toyama 2006-06-27
7060333 Phase difference plate comprising polymer film containing compound having rod-shaped molecular structure Hiroshi Takeuchi, Hiroaki Sata, Takamichi Fujii 2006-06-13
6859242 Polarizing plate comprising polymer film and polarizing membrane 2005-02-22
6810091 Digital data deinterleaver 2004-10-26
6360349 Syndrome computing apparatus 2002-03-19