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
HC
Hitachi-Johnson Controls Air Conditioning
Rank (2021):
#1973
of 31,507
Top 7%
48 inventors
19
Patents 2021
Top Inventors at Hitachi-Johnson Controls Air Conditioning
2021
Rank
Name
Patents
1
Koji Naito
5
2
Chiayen Hsieh
3
3
Kazuhiko Tani
3
#4
Kenji Matsumura
3
#5
Liming Yang
3
#6
Yan Ding
3
#7
Yuan Yuan
3
#8
Hiroaki Kaneko
2
#9
Kazumoto Urata
2
#10
Levente Szabo
2
#11
Liu Yang
2
#12
Mamoru Houfuku
2
#13
Masayoshi Murofushi
2
#14
Nikhil Mohandas Nair
2
#15
Robert D. Turney
2
#16
Shoutaro Yamamoto
2
#17
Wan Kee Lee
2
#18
Yasutaka Yoshida
2
#19
Atsuhiko Yokozeki
1
#20
Eri Morita
1
#21
Gene Fields
1
#22
Hayato Mori
1
#23
Hiroki Kinoshita
1
#24
Joe T. Hill
1
#25
Kazuhito Sekiba
1
#26
Kazuhiro Tsuchihashi
1
#27
Kosuke Kumamoto
1
#28
Matthew J. Asmus
1
#29
Mikihito Tokudi
1
#30
Michael J. Wenzel
1
#31
Mohammad N. Elbsat
1
#32
Naoyuki FUSHIMI
1
#33
Nagatoshi Ooki
1
#34
Natsuko SUZUKI
1
#35
Naoki Yamamoto
1
#36
Ryoichi Takafuji
1
#37
Shuntaro Inoue
1
#38
Shuuhei TADA
1
#39
Takeshi Endo
1
#40
Takumi Hirata
1
#41
Takumi Kamiaka
1
#42
Takeshi Kono
1
#43
Tetsuya KOZAI
1
#44
Toshiki MOCHIZUKI
1
#45
Yoshinori Iwashina
1
#46
Yuma Kageyama
1
#47
Yuki Uchino
1
#48
Yuusuke Uehashi
1