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
MA
Maruha
Rank (All Time):
#31306
of 106,127
Top 30%
53 inventors
19
Patents All Time
Top Inventors at Maruha
All Time
Rank
Name
Patents
1
Nobuyuki Sato
9
2
Hiroshi Oda
6
3
Masazumi Nishikawa
6
#4
Kosuke Seiki
5
#5
Yoshihiro Urade
5
#6
Hiroshi Nakajima
4
#7
Tadakazu Tamai
4
#8
Fumio HIRATA
2
#9
Hiromi Nagayama
2
#10
Kiyoshi Aihara
2
#11
Naomi Eguchi
2
#12
Nobuaki Yatsuka
2
#13
Ryoichi Sato
2
#14
Shigeru Moriyama
2
#15
Shinichiro Nishimoto
2
#16
Shunichi Tsunematsu
2
#17
Takamasa Tsuchida
2
#18
Tomoaki Ooguri
2
#19
Tomohiro Takeda
2
#20
Yoshio Uehara
2
#21
Atsushi Wakameda
1
#22
Fumitaka Saji
1
#23
Hiroya Nakau
1
#24
Hideyuki Takeda
1
#25
Hisashi Yamamoto
1
#26
Isao Fujimori
1
#27
Isami Tsuboi
1
#28
Itsuki Murota
1
#29
Junko Cho
1
#30
Kazuaki Maruyama
1
#31
Kazuo Miyashita
1
#32
Kazuyoshi Yoshikai
1
#33
Kenji Mori
1
#34
Kunio Ogasawara
1
#35
Kuniharu Wada
1
#36
Masahito Matsukawa
1
#37
Masaaki Ogiwara
1
#38
Masahiko Shimada
1
#39
Mitsuhito Mase
1
#40
Mitsuru Mishima
1
#41
Nobuhito Hirawa
1
#42
Nozomi Hiura
1
#43
Satoru Takeda
1
#44
Shoji Kimura
1
#45
Suguru Okazaki
1
#46
Takashi Inui
1
#47
Teruo Inoue
1
#48
Toru Ota
1
#49
Yasuhiko Shiina
1
#50
Khomei Yanagi
1
#51
Seiichi Ohkuma
1
#52
Atsushi Wakamaeda
1
#53
Hiura Nozomi
1