HM

Hisayoshi Matsumoto

CC Citizen Watch Co.: 3 patents #353 of 1,225Top 30%
EI Eisai: 1 patents #611 of 998Top 65%
KC Kojima Press Industry Co.: 1 patents #38 of 143Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #669,230 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5429484 Liquid feed pump particularly used for liquid medicine and liquid feed apparatus for filling of liquid medicine Washiro Honda, Masahiko Nakazawa 1995-07-04
5302033 Burning damage protecting apparatus and method for a printing head in a printer Takeya Uehara 1994-04-12
5178366 Valve seal Tetsuya Kojima, Masahiko Nakazawa, Yoshinori Shimomura 1993-01-12
5161571 Check valve Masahiko Nakazawa 1992-11-10
5107885 Check valve Masahiko Nakazawa 1992-04-28
4926347 Printer with emulation card installation reporting feature Noboru Uchida, Masahiko Kaneko 1990-05-15
4848627 Storage box for vehicles Yoshihiro Maeda, Manabu Morisaka 1989-07-18
4507002 Printing timing correction device in shuttle type dot line printer Takahiko Fukuzawa 1985-03-26