MY

Masahisa Yamakawa

Mazda Motor: 40 patents #16 of 4,755Top 1%
DE Denso: 1 patents #6,940 of 11,792Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #75,916 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8544444 Control of direct fuel injection engine Mitsuo Hitomi, Toshiaki Nishimoto, Takashi Youso, Keiji Araki 2013-10-01
8468823 Supercharged direct-injection engine Mitsuo Hitomi, Takashi Youso, Toshiaki Nishimoto, Keiji Araki 2013-06-25
8459021 Method and apparatus for controlling supercharged engine Kouhei Iwai, Shuji Oba 2013-06-11
8402749 Control method of spark-ignition engine and spark-ignition engine system Takashi Youso, Kouhei Iwai, Shuji Oba 2013-03-26
8316819 Control of spark ignited internal combustion engine Shinichi Sugihara, Naohiro Yamaguchi, Keiji Araki 2012-11-27
8196560 Internal combustion engine of spark-ignition direct-injection type and fuel injecting method thereof Tatsuya Fujikawa, Toshiaki Nishimoto, Kouji Shishime, Kiyotaka Sato 2012-06-12
8191528 Internal combustion engine Takashi Youso, Toshiaki Nishimoto, Tatsuya Fujikawa 2012-06-05
8151762 Direct-injection spark-ignition engine Toshiaki Nishimoto, Tomomi Watanabe, Yoshiteru Nakayama, Tatsuya Fujikawa 2012-04-10
8155862 Internal combustion engine control method and internal combustion engine system Toshiaki Nishimoto, Naohiro Yamaguchi, Takashi Youso, Kouji Shishime, Hiroaki Abe +3 more 2012-04-10
8150597 Method and system for controlling an internal combustion engine Toshiaki Nishimoto, Hirokazu Matsuura, Takashi Youso, Kouji Shishime, Mikinori Ohashi 2012-04-03
7784443 Spark-ignition gasoline engine Mitsuo Hitomi, Noriyuki Iwata, Toshiaki Nishimoto, Takashi Yohso, Takayoshi Hayashi 2010-08-31
7650872 Internal combustion engine Toshiaki Nishimoto, Takashi Youso, Tatsuya Fujikawa 2010-01-26
7484498 Spark-ignition gasoline engine Mitsuo Hitomi, Noriyuki Iwata, Toshiaki Nishimoto, Takashi Yohso, Takayoshi Hayashi 2009-02-03
7360531 Combustion chamber structure for spark-ignition engine Takashi Yohso, Kouji Shishime, Toshiaki Nishimoto 2008-04-22
6968825 Control device for spark-ignition engine Mitsuo Hitomi, Takayoshi Hayashi, Kouji Sumida, Satoru Matsuzaki, Hiroyuki Maeda 2005-11-29
6928980 Control device for spark-ignition engine Keiji Araki, Takayoshi Hayashi, Toshiaki Nishimoto 2005-08-16