Koichi Sakairi

MW Masahiro Watanabe: 1 patents #1 of 2Top 50%

SA Stonehart Associates: 1 patents #6 of 7Top 90%

TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #14 of 29Top 50%

Overall (1994): #103,003 of 165,921Top 65%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5294232	Process of preparing solid polymer electrolyte type fuel cell	Yumi Yamamoto	1994-03-15