MI

Masahiko Iwase

DS Daikin Seisakusho: 3 patents #35 of 126Top 30%
KS Kawai Gakki Seisakusho: 3 patents #61 of 198Top 35%
KC Kawai Musical Instruments Manufacturing Co.: 1 patents #20 of 50Top 40%
Overall (All Time): #638,180 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10347224 Key of keyboard instrument 2019-07-09
9361861 Weight for key and key for keyboard musical instrument 2016-06-07
8921676 Key for keyboard instrument 2014-12-30
8748725 Key switch for electronic piano Hideyuki Ishida 2014-06-10
6750389 Musical performance control method, musical performance control apparatus and musical tone generating apparatus Yutaka Hagiwara, Kenji Kamada, Hisamitsu Honda, Shinji Niitsuma, Toshinori Matsuda 2004-06-15
5580312 Damper disk assembly Hiroshi Takeuchi 1996-12-03
5190381 Release bearing assembly Tooru Hamada, Syogo Ohga 1993-03-02
5088583 Clutch cover assembly with spring biased release assembly Hiroshi Takeuchi, Hiromi Tojima, Ikuo Murata, Norihisa Uenohara 1992-02-18