Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
UI
Ube Industries
Rank (All Time):
#601
of 106,127
Top 1%
1,686 inventors
1,399
Patents All Time
Top Inventors at Ube Industries
All Time
Rank
Name
Patents
1
Koji Abe
85
2
Katsumasa Harada
39
3
Keigo Nishihira
35
#4
Shuji Tanaka
35
#5
Toshikazu Hamamoto
30
#6
Hiroaki Yamaguchi
28
#7
Kazuhiro Miyoshi
28
#8
Shigeyoshi Nishino
28
#9
Masahiko Hagihara
27
#10
Katsutoshi Fujii
26
#11
Tomio Kimura
26
#12
Tetsuji Hirano
25
#13
Kenji Hirotsu
23
#14
Takemi Yamamura
23
#15
Yasuo Matsumori
23
#16
Kikuo Ataka
22
#17
Yoshihiro Kusuki
22
#18
Takashi Harada
21
#19
Tetsuo Yamada
21
#20
Hidetaka Shima
20
#21
Shoji Shikita
20
#22
Junichi Kugimoto
18
#23
Shin-ichi Sakata
18
#24
Takashi Doi
18
#25
Toyoaki Ueno
18
#26
Hiroshi Inoue
17
#27
Michinori Suzuki
17
#28
Shinji Yamamoto
17
#29
Tokio Obata
17
#30
Masayuki Kinouchi
16
#31
Satoru Fujitsu
16
#32
Tomohiko Akagawa
16
#33
Masato Murakami
15
#34
Nobuharu Hisano
15
#35
Takaaki Kuwata
15
#36
Hiroshi Yoshida
14
#37
Kenji Fukunaga
14
#38
Masataka Fujinaga
14
#39
Motohisa Shimizu
14
#40
Naomi Okamoto
14
#41
Seiichirou Takabayashi
14
#42
Sumio Umemura
14
#43
Teruo Umemoto
14
#44
Toshimune Yoshinaga
14
#45
Yoshiharu Waku
14
#46
Yukinori Wada
14
#47
Akira Ueki
14
#48
Fumio Aoki
13
#49
Hiroshi Makino
13
#50
Hiroshi Shimazaki
13
#51
Kyoji Ohdan
13
#52
Masahide Kondo
13
#53
Masaki Shibuya
13
#54
Norimichi Saito
13
#55
Shinsuke Jida
13
#56
Teruhiko Inoue
13
#57
Waichi Kobayashi
13
#58
Yasuo Nakamura
13
#59
Yasuhito Yamamoto
13
#60
Hidetomo Ashitaka
12
#61
Shigeru Yao
12
#62
Takeyoshi Nishio
12
#63
Taizo Uda
12
#64
Takeshi Yamao
12
#65
Toshihiko Anno
12
#66
Toshihiro Ishikawa
12
#67
Tomohiko Yamamoto
12
#68
Yasushi Yamamoto
12
#69
Yukio Inaba
12
#70
Hiroshi Itatani
11
#71
Hideki Ozawa
11
#72
Hiroshi Yasuno
11
#73
Kei Shimamoto
11
#74
Kiyohito Okamura
11
#75
Kozo Fujii
11
#76
Koichi Fukuda
11
#77
Masahiro Naiki
11
#78
Masayuki Nishio
11
#79
Masashi Shirai
11
#80
Masahiro Tokuse
11
#81
Masanori Watanabe
11
#82
Mitsuo Yamanaka
11
#83
Nobuyuki Kuroda
11
#84
Takafumi Hirakawa
11
#85
Tetsushi Katsube
11
#86
Toshikazu Machida
11
#87
Akio Matsushita
11
#88
Hiroshi Fujiwara
10
#89
Hirofumi Ii
10
#90
Hiroyuki Miyata
10
#91
Hiroyuki Oda
10
#92
Hirofumi Takemoto
10
#93
Koji Shiba
10
#94
Masaoki Matsuda
10
#95
Mikito Kashima
10
#96
Mikio Kojima
10
#97
Nozomu Tanihara
10
#98
Sadayuki Dannoura
10
#99
Shyusei Ohya
10
#100
Takashi Honma
10