Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SC

Sei Optifrontier Co. — 6 Patents in 2019

Rank (2019): #6,167 of 32,247Top 20%
30 inventors
6 Patents 2019

Top Inventors at Sei Optifrontier Co. 2019

Showing 1–30 of 30 inventors

RankNamePatents
1 Hiroshi Takayanagi 2
1 Kazuya Masuda 2
1 Takashi Kondo 2
#4 Akihiko Miyada 1
#4 Gouichi Fukumoto 1
#4 Hiroshi Nakamura 1
#4 Kenichiro Ohtsuka 1
#4 Kenichiro Otsuka 1
#4 Masahiro Hasegawa 1
#4 Makoto Miyamori 1
#4 Masanori Yamanaka 1
#4 Motoyoshi KIMURA 1
#4 Naohisa Shirafuji 1
#4 Norihiko Kitahara 1
#4 Ryuichiro Sato 1
#4 Seiya Otokita 1
#4 Shinsuke KURINO 1
#4 Takashi Murakami 1
#4 Takeshi Noake 1
#4 Tatsuhiko Shitomi 1
#4 Takayasu Yamauchi 1
#4 Takayuki YOKOCHI 1
#4 Tetsufumi Tsuzaki 1
#4 Toshiyuki Miyamoto 1
#4 Tomohiko Ueda 1
#4 Tsuneari Ito 1
#4 Yoshifumi Hishikawa 1
#4 Yoshiyuki NISHIZAWA 1
#4 Yoshiyuki Suetsugu 1
#4 Yuji Suzuki 1