DH

Daisuke Haba

KC Kai R&D Center Co.: 7 patents #5 of 70Top 8%
Yamaha: 3 patents #738 of 2,001Top 40%
📍 Seki, JP: #9 of 94 inventorsTop 10%
Overall (All Time): #498,988 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11322121 Musical instrument and keyboard musical instrument Yuki Futsuhara, Minoru Iida 2022-05-03
9919440 Razor 2018-03-20
9889570 Razor with attached shaving aid 2018-02-13
9796101 Razor 2017-10-24
9498892 Pivoting razor Hiroyuki Nakasuka 2016-11-22
D662663 Safety razor 2012-06-26
D627929 Safety razor handle 2010-11-23
D614352 Safety razor 2010-04-20
7616770 Electro-acoustic apparatus 2009-11-10
7425672 Exterior structure for keyboard instrument Yuji Sakurai, Masao Sato, Toshiyuki Aiba 2008-09-16