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
Cities
States
PC
Prime Polymer Co.
Rank (All Time):
#13000
of 106,127
Top 15%
116 inventors
51
Patents All Time
Top Inventors at Prime Polymer Co.
All Time
Showing 1–50 of 116 inventors
Rank
Name
Patents
1
Keita Itakura
7
1
Satoshi Tamura
7
3
Minoru Sugawara
5
3
Ryoichi Tsunori
5
#5
Hirofumi Goda
4
#5
Tatsuji Kawamura
4
#7
Ikunori Sakai
3
#7
Jun Birukawa
3
#7
Katsutoshi Ohta
3
#7
Rikuo Onishi
3
#7
Satoshi Hashizume
3
#7
Toru Iwashita
3
#7
Tomoyuki Obara
3
#7
Yasuhiko Otsuki
3
#7
Yoshio Sugimoto
3
#16
Hiroki Shimizu
2
#16
Hiroyuki Uekita
2
#16
Koki Yano
2
#16
Masaharu Okamura
2
#16
Masao Suzuki
2
#16
Takeharu Suga
2
#16
Toshiyuki Ishii
2
#16
Toshifumi Sakai
2
#16
Tsutomu Tasaki
2
#16
Yasushi Tohi
2
#16
Yoshiaki Saito
2
#16
Yusuke Fukuda
2
#16
Yukio Ishii
2
#16
Yuichi Matsuda
2
#30
Chikara Satou
1
#30
Daisuke Tanifuji
1
#30
Etsuo Okahara
1
#30
Frank Jones
1
#30
Hideki Bando
1
#30
Hidenori Ichikawa
1
#30
Hiroyuki Ikeno
1
#30
Hiroshi Inoue
1
#30
Hiroyuki Muramatsu
1
#30
Ichinosuke HIRANO
1
#30
Isao Wada
1
#30
Isamu Yamaguchi
1
#30
Junichi Matsumoto
1
#30
Jun Suzuki
1
#30
Jyun Birukawa
1
#30
Kazuyuki Iida
1
#30
Kazuaki Kihara
1
#30
Katsuhiko Tada
1
#30
Kazuaki TOKUMO
1
#30
Kaoru Yorita
1
#30
Kenichi Hayakawa
1
1
2
3
Next »