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Nippon Kokan Co. — 365 Patents

Rank (All Time): #2,177 of 105,732Top 3%

735 inventors

365 Patents All Time

Patents per Year

Top Inventors at Nippon Kokan Co. All Time

Showing 1–50 of 735 inventors

Rank	Name	Patents
1	Hiroaki Nishio	16
1	Yuji Sugitani	16
3	Hirokazu Nomura	15
#4	Hiroshi Kuwamoto	14
#5	Shuzo Fukuda	13
#6	Nobuhisa Hasebe	12
#6	Tsuneo Miyashita	12
#8	Shinji Akita	11
#9	Chiaki Ouchi	10
#9	Michio Nakayama	10
#9	Takeshi Adaniya	10
#9	Yutaka Tsuchida	10
#13	Hiroyuki Nagamori	9
#13	Masahiro Abe	9
#15	Shiro Fukunaka	8
#15	Shuzo Takahashi	8
#15	Tomihiro Hara	8
#18	Akichika Ozeki	7
#18	Kunihiko Sato	7
#18	Masaaki Yamashita	7
#18	Seigo Ando	7
#18	Shuichi Iwado	7
#18	Shiro Osada	7
#18	Shunichi Sugiyama	7
#18	Takeo Uebayashi	7
#18	Takeo Yamada	7
#18	Tetsuro Urata	7
#18	Tsuneo Kondo	7
#18	Yoshimi Komatsu	7
#30	Akira Honda	6
#30	Hirohisa Nakashima	6
#30	Koichiro Arima	6
#30	Koji Matsui	6
#30	Masaru Ishikawa	6
#30	Noboru Sakamoto	6
#30	Tetsuhiro Asamoto	6
#37	Hiromi Okamoto	5
#37	Hiroshi Saito	5
#37	Isamu Komine	5
#37	Kazuhide Nakaoka	5
#37	Kiyomi Taguchi	5
#37	Koji Toyota	5
#37	Masayuki Hanmyo	5
#37	Masafumi Ikeda	5
#37	Masaaki Mizushina	5
#37	Mitsugi Kawano	5
#37	Osamu Tajima	5
#37	Takashi Mukai	5
#37	Tamataro Satoh	5
#37	Takemi Yamada	5

Most Valuable Patents

Patent	Est. Value	Year
Rod chucking device for a perforator for perforating a pig iron discharge opening in a blast furnace	$312K	1987
Method for controlling temperature of multi-zone heating furnace	$59K	1982
Vibration-damping composite sheet steel	$58K	1992

All 100 most valuable US patents →