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Kyowa Hakko Kogyo Co. — 783 Patents

Rank (All Time): #1,101 of 105,732Top 2%

943 inventors

783 Patents All Time

Patents per Year

Top Inventors at Kyowa Hakko Kogyo Co. All Time

Showing 1–50 of 943 inventors

Rank	Name	Patents
1	Nobuo Hanai	51
2	Fumio Suzuki	43
3	Masaji Kasai	41
#4	Makoto Morimoto	40
#5	Akio Ozaki	37
#6	Chikara Murakata	35
#6	Hiromitsu Saito	35
#6	Motoo Yamasaki	35
#9	Ryoichi Katsumata	34
#9	Shiro Akinaga	34
#11	Katsuhiko Ando	32
#12	Akira Karasawa	30
#12	Kenya Shitara	30
#12	Tadashi Ashizawa	30
#12	Yutaka Kanda	30
#16	Kazuhiro Kubo	29
#16	Kunikatsu Shirahata	29
#18	Hiroshi Kase	28
#19	Akio Ishii	27
#19	Junichi Shimada	27
#21	Koji Yamada	26
#22	Hirofumi Nakano	25
#22	Keiko Ochiai	25
#24	Isao Kawamoto	24
#24	Kiyoshi Morimoto	24
#26	Katsushige Gomi	23
#26	Kazuyasu Nakamura	23
#28	Hiroyuki Obase	21
#28	Kenji Ohmori	21
#30	Seiga Itoh	20
#30	Tadashi Hirata	20
#32	Akiko Furuya	19
#32	Etsuo Ohshima	19
#32	Shunji Ichikawa	19
#32	Tatsuya Tamaoki	19
#36	Hiromi Nonaka	18
#36	Mamoru Hasegawa	18
#36	Moriyuki Sato	18
#36	Satoshi Koizumi	18
#36	Tatsunari Nishi	18
#36	Yoshiharu Yokoo	18
#42	Eiji Kobayashi	17
#42	Haruki Takai	17
#42	Kuniki Kino	17
#42	Michio Ichimura	17
#42	Tamio Mizukami	17
#42	Yoshihisa Kuwana	17
#48	Ikuo Shimizu	16
#48	Katsuichi Shuto	16
#48	Masato Ikeda	16

Most Valuable Patents

Patent	Est. Value	Year
2-piperidone compounds	$488M	2002
Process for producing isoprenoid compounds by microorganisms and a method for screening compounds with antibiotic or weeding activity	$56M	2008
Therapeutic agent for bladder irritative symptoms associated with benign prostatic hyperplasia	$49M	2008
3'-epimeric K-252A derivatives	$48M	2000
Imidazolidine compounds	$43M	2002

All 100 most valuable US patents →