Keiko Mayuzumi

SC Seikosha Co.: 8 patents #42 of 312Top 15%

Overall (All Time): #670,453 of 4,157,543Top 20%

Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
D322572	Clock	—	1991-12-24
D319394	Travel alarm clock	—	1991-08-27
D319396	Clock	—	1991-08-27
D316040	Travel alarm clock	—	1991-04-09
D316041	Clock	Masumi Mukoyama	1991-04-09
D314343	Clock	—	1991-02-05
D314152	Clock	—	1991-01-29
D309574	Travel alarm clock	—	1990-07-31