Fumihiro Shigenaga

Yamaha: 2 patents #19 of 154Top 15%

Overall (2002): #65,482 of 266,432Top 25%

Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6437225	Compact stand for musical instrument	—	2002-08-20
6380468	Drum having shell consisting of more than one kind of vibratory element arranged in parallel with respect to skin	—	2002-04-30