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Hitachi Car Engineering Co. — 433 Patents

Rank (All Time): #1,894 of 105,732Top 2%

465 inventors

433 Patents All Time

Patents per Year

Top Inventors at Hitachi Car Engineering Co. All Time

Showing 1–50 of 465 inventors

Rank	Name	Patents
1	Shinya Igarashi	50
2	Izumi Watanabe	45
3	Keiichi Nakada	35
#4	Suetaro Shibukawa	31
#5	Fumio Tajima	29
#5	Osamu Koizumi	29
#7	Toshifumi Usui	27
#7	Yasuo Saito	27
#9	Hiroyuki Saito	26
#9	Keiji Hanzawa	26
#9	Shouichi Kawamata	26
#12	Keiji Oda	25
#13	Tatsuya Yoshida	24
#14	Masahiro Matsumoto	23
#15	Masamichi Yamada	22
#15	Mitsuru Koni	22
#17	Eisuke Wayama	20
#17	Junichi Horie	20
#19	Kei Ueyama	19
#19	Yoshio Okamoto	19
#21	Noboru Sugiura	18
#21	Shinichi Sakamoto	18
#21	Shigeru Tokumoto	18
#24	Kaoru Uchiyama	17
#24	Kiyoshi Horibe	17
#24	Yuzo Kadomukai	17
#24	Yutaka Matsunobu	17
#28	Hiroyuki Yamada	16
#29	Masami Nagano	15
#29	Satoshi Shimada	15
#29	Yoshikatsu Hashimoto	15
#32	Hiromu Kikawa	14
#32	Yoshiyuki Tanabe	14
#34	Atsushi Miyazaki	13
#34	Hiroaki Saeki	13
#34	Katsuaki Fukatsu	13
#34	Ryoichi Kobayashi	13
#34	Yasunaga Hamada	13
#39	Kazuo Nagayama	12
#39	Masayuki Kozawa	12
#39	Makoto Yamakado	12
#39	Yasushi Sasaki	12
#43	Hiromasa Kubo	11
#43	Hiroshi Kuroiwa	11
#45	Takanobu Ichihara	10
#46	Atsushi Kanke	9
#46	Eiichiro Kondo	9
#46	Junichi Shimada	9
#46	Masahiko Ibamoto	9
#46	Naoki Saito	9

Most Valuable Patents

Patent	Est. Value	Year
Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same	$1M	2000
Control apparatus and control method for automatic transmission of vehicle	$1M	2000
Idle speed control device for internal combustion engine	$1M	2000
Control apparatus for use in internal combustion engine	$1M	2000
Power supplying apparatus for a vehicle and an intensive wiring apparatus	$945K	1999

All 100 most valuable US patents →