HC

Hiroshi Chikuma

CK Calsonic Kansei: 11 patents #10 of 675Top 2%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
KS Kabushiki Kaisha Hitachi Seisakusho: 1 patents #13 of 55Top 25%
Overall (All Time): #292,523 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11264884 Vehicle linear motor Yoshinori Kawai, Kan KOBAYASHI, Aya Mizukoshi 2022-03-01
10293800 Brake system Wataru Yokoyama, Kimio Nishino, Kenichiro Matsubara, Kenji Hashida 2019-05-21
9731575 Suspension apparatus Ryusuke Hirao, Nobuyuki Ichimaru, Masaaki Uchiyama 2017-08-15
7722331 Control system for air-compressing apparatus Takahisa HIRASAWA, Kazumasa Kawasaki, Manabu Shindo, Tomohiro Nakamura 2010-05-25
7392837 Integral-type heat exchanger Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more 2008-07-01
7219781 Electromagnetic suspension system Yusuke Akami, Noriyuki Utsumi, Hiroshi Yoshikura, Satoshi Ohsawa 2007-05-22
7108049 Integral-type heat exchanger Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more 2006-09-19
6904964 Heat exchanger core, and method of assembling the heat exchanger core Hiroyasu Koizumi 2005-06-14
6874230 Method of manufacturing heat exchanger Yoshinobu Okuno, Takahiro Nakakomi 2005-04-05
6871399 Method for producing an integrated heat exchanger and an integrated heat exchanger produced thereby Mitsuru Iwasaki, Kazunori Namai 2005-03-29
6837304 Integral-type heat exchanger Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more 2005-01-04
6708730 Temporary fixing structure for tubular bodies Takahiro Nakakomi, Hirokazu Yaezawa, Yoshinobu Okuno, Katsumi Nakamura 2004-03-23
6651334 Tank of heat exchanger and method of producing same Yoshinobu Okuno, Takahiro Nakakomi 2003-11-25
6450253 Tank of heat exchanger Hiroyasu Koizumi, Yoshihiro Kawai 2002-09-17
6364005 Integral-type heat exchanger Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more 2002-04-02
6095239 Integral-type heat exchanger Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more 2000-08-01