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
SC
Sanki Engineering Co.
Rank (All Time):
#25187
of 106,127
Top 25%
48 inventors
24
Patents All Time
Top Inventors at Sanki Engineering Co.
All Time
Rank
Name
Patents
1
Nobuya Hishinuma
5
2
Yoshiaki Nunogaki
5
3
Kazuyoshi Terakoshi
3
#4
Kunihiko Koga
3
#5
Takafumi Yamamoto
3
#6
Hisaaki Kawaguchi
2
#7
Isamu Orito
2
#8
Kazuaki Iijima
2
#9
Saburo Takagi
2
#10
Takamitsu Kanno
2
#11
Takashi Yachi
2
#12
Tomokazu Suyama
2
#13
Fumiaki Tsuchiya
1
#14
Hajime Kato
1
#15
Hiroyuki Kiyokawa
1
#16
Hirofumi Nakatsuka
1
#17
Isaburo Yagi
1
#18
Katsuyoshi Ohshima
1
#19
Kazuo Okochi
1
#20
Katsunori Shinoda
1
#21
Ken Nakano
1
#22
Koji Aso
1
#23
Masahiko Kumagai
1
#24
Masayuki Ogawa
1
#25
Masaaki Shinohara
1
#26
Masakazu Yamagata
1
#27
Masaru Yamakawa
1
#28
Mitsuo Suzuki
1
#29
Naoyuki Ohishi
1
#30
Osamu Ishizuka
1
#31
Shuzo Akita
1
#32
Shigeru Yagi
1
#33
Takaaki Hirokawa
1
#34
Takeya Ide
1
#35
Takeshi Yokomizo
1
#36
Tetsuya Kobayashi
1
#37
Toshiki Kobayashi
1
#38
Toshiyuki Watanabe
1
#39
Tsuguaki Uemura
1
#40
Yasutaka Kosuge
1
#41
Yasuhiro Ueda
1
#42
Yoshihiko Kaneko
1
#43
Yoshihiro Ozawa
1
#44
Yoshiteru Yamaji
1
#45
Yuki Asaoka
1
#46
Yutaka Hirata
1
#47
Yukikazu Maemoto
1
#48
Shigeaki Kohnosu
1