Koichi Hirai

UI Ube Industries: 8 patents #125 of 1,686Top 8%

SC Sankyo Holdings Co.: 7 patents #84 of 700Top 15%

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%

Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%

NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%

MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%

FC Fujisawa Pharmaceutical Co.: 1 patents #444 of 782Top 60%

📍 Chiyoda, JP: #121 of 1,712 inventorsTop 8%

Overall (All Time): #154,789 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4409395	Process for the production of glycollic acid esters	Haruhiko Miyazaki, Taizo Uda, Yasuo Nakamura, Harumi Ikezawa, Takanori Tsuchie	1983-10-11