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Iwaki, JP
All Time
3,496 patents · 693 inventors
Ranked
#1,378
of 111,555 cities
Top 2%
Showing 1–50 of 693 inventors
Rank
Inventor
Primary Company
Patents
1
Yukio Sato
Mitsubishi Electric
116
2
Osamu Matsumoto
Mitsubishi Electric
108
3
Makoto Satoh
Sumitomo Chemical
67
#4
Takayuki Katto
Kureha Kagaku Kogyo
62
#5
Toshiya Mizuno
Kureha Kagaku Kogyo
51
#6
Yo Iizuka
Kureha Kagaku Kogyo
41
#7
Teruo Sakagami
Kureha Kagaku Kogyo
40
#8
Satoru Kumazawa
Kureha Kagaku Kogyo
39
#9
Yukichika Kawakami
Kureha Kagaku Kogyo K.K.
38
#10
Naohiro Murayama
Kureha Kagaku Kogyo
33
#10
Hiroyasu Yamamoto
Fujitsu Limited
33
#12
Masahiro Kurokawa
Mitsubishi Gas Chemical Company
31
#13
Masayuki Suganami
Hitachi Automotive Systems
30
#14
Takashi Terauchi
Renesas Technology
29
#15
Toshitaka Kouyama
Kureha Kagaku Kogyo K.K.
28
#16
Takaaki Nakamura
Mitsubishi Electric
27
#16
Masahito Tada
Kureha Kagaku Kogyo K.K.
27
#16
Ryuichi Saji
Tungaloy
27
#19
Yuzo Hayashi
Alps Electric Co.
25
#19
Seiji Sakamoto
Diafoil Company, Limited
25
#21
Eisaku Takahashi
Fujitsu Limited
24
#21
Masao Hayashi
Canon
24
#21
Hideaki Doi
Hitachi
24
#21
Seiji Usami
Sharp Kabushiki Kaisha
24
#25
Takafumi Shida
Kureha Kagaku Kogyo
23
#25
Yukihiko Haikawa
Sharp Kabushiki Kaisha
23
#27
Yoshikichi Teramoto
Kureha Kagaku Kogyo
22
#27
Ken Kashiwadate
Kureha Kagaku Kogyo K.K.
22
#27
Hiroyasu Shinkawa
Kureha Kagaku Kogyo
22
#27
Hideo Arabori
Kureha Kagaku Kogyo
22
#31
Yukio Ichikawa
Kureha Kagaku Kogyo
21
#31
Yusuke Hirano
Tungaloy
21
#31
Isao Ikuta
Hitachi
21
#31
Tamio Noguchi
Merck
21
#35
Tsutomu Tatekawa
Murata Manufacturing Co.
20
#35
Mitsuru Hoshino
Kureha Kagaku Kogyo K.K.
20
#35
Masato Arahira
Kureha Kagaku Kogyo K.K.
20
#35
Hiroshi Obara
Ricoh Company
20
#39
Michihiro Sato
Unknown
19
#39
Aisaku Nagai
Kureha Kagaku Kogyo
19
#41
Masaki Ohya
Kureha Kagaku Kogyo
18
#41
Toshihide Saishoji
Kureha Kagaku Kogyo
18
#41
Mitsuo Takeuchi
Fujitsu Limited
18
#44
Kazuo Sakuma
Tessera
17
#44
Atsushi Ito
Kureha Kagaku Kogyo
17
#44
Susumu Shimizu
Kureha Kagaku Kogyo
17
#44
Hiroshi Kawase
Sony
17
#44
Akio Nishijima
Alps Electric Co.
17
#49
Sadakazu Shiga
Alps Electric Co.
16
#49
Tadasi Sonobe
Hitachi
16
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