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ZK
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Rank (All Time):
#4562
of 106,127
Top 5%
194 inventors
164
Patents All Time
Top Inventors at Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
All Time
Showing 1–50 of 194 inventors
Rank
Name
Patents
1
Tomio Takeuchi
112
2
Hamao Umezawa
99
3
Shinichi Kondo
38
#4
Sumio Umezawa
34
#5
Masa Hamada
29
#6
Takaaki Aoyagi
27
#7
Tsutomu Tsuchiya
25
#8
Masaaki Ishizuka
24
#9
Hiroshi Naganawa
23
#10
Yasuhiko Muraoka
14
#11
Shunzo Fukatsu
13
#12
Daishiro Ikeda
11
#12
Akio Fujii
11
#14
Teruya Nakamura
10
#14
Tomohisa Takita
10
#16
Kuniaki Tatsuta
9
#16
Yasushi Takagi
9
#18
Hironobu Iinuma
8
#18
Tetsushi Saino
8
#20
Kenji Maeda
7
#20
Shuichi Gomi
7
#20
Taiji Inui
7
#20
Yoshiro Okami
7
#20
Yoshiaki Takahashi
7
#25
Katsutoshi Takahashi
6
#25
Toshikazu Oki
6
#27
Kunio Isshiki
5
#27
Toshiaki Miyake
5
#27
Yoko Ikeda
5
#27
Yoshikazu Takahashi
5
#31
Hajime Morishima
4
#31
Hiroo Hoshino
4
#31
Kazuo Umezawa
4
#31
Kenji Kawamura
4
#31
Masaji Sezaki
4
#31
Makoto Tsuda
4
#31
Mitsugu Hachisu
4
#31
Nobuyoshi Shimada
4
#31
Rinzo Nishizawa
4
#31
Seiji Shibahara
4
#31
Tetsuo Shitara
4
#31
Yoshio Nishimura
4
#43
Haruo Yamamoto
3
#43
Ikuo Matsumoto
3
#43
Kenji Kanbe
3
#43
Masatoshi Abe
3
#43
Masayuki Igarashi
3
#43
Naoki Matsumoto
3
#43
Takeyo Fukuoka
3
#43
Takeshi Hara
3
1
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3
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