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Seikichi Masui — 2 Patents

CCCitizen Watch Co.: 2 patents #460 of 1,225Top 40%

Overall (All Time): #2,288,986 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D361527	Wrist watch	Hatsue Hayashi	1995-08-22
D361528	Wrist watch	Hatsue Hayashi	1995-08-22