Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JM

Jun Mase

ICIdemitsu Kosan Co.: 5 patents #272 of 1,237Top 25%
ICIdemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
Overall (All Time): #735,809 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9382358 Method for producing olefin polymer Jun Kohiruimaki, Masao Aida, Kana Minamimoto 2016-07-05
9056931 Method for producing olefin polymer Jun Kohiruimaki, Masao Aida, Kana Minamimoto 2015-06-16
8816034 Method for producing alpha-olefin oligomer Hideki Sato, Yushi Matsuda, Jun Kohiruimaki, Masao Aida, Kana Minamimoto 2014-08-26
7393987 Process for producing adamantane Akio Kojima, Masao Saito, Shinji Miyamoto, Toyozo Fujioka 2008-07-01
7381855 Process for producing adamantane Shinji Miyamoto, Akio Kojima, Masao Saito, Toshiaki Kusaba 2008-06-03
6806398 Process for removing mercury from liquid hydrocarbon Tsunenori Sakai, Hajime Ito 2004-10-19
6268543 Method of removing mercury in liquid hydrocarbon Tsunenori Sakai, Hidetoshi Ono, Tetsuya Saruwatari 2001-07-31