TK

Tomoyuki Kumagai

Yamaha: 6 patents #432 of 2,001Top 25%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #761,278 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6232541 Data sending apparatus and data receiving apparatus communicating data storage control command in MIDI protocol, and method therefor 2001-05-15
6103965 Musical tone synthesizing apparatus, musical tone synthesizing method and storage medium 2000-08-15
5864081 Musical tone generating apparatus, musical tone generating method and storage medium Hiroyuki Iwase 1999-01-26
5749563 Exhaust gas recirculation system Yuji Hosaka, Yasuhiro Makibayashi, Tatsuaki Nakanishi 1998-05-12
5623112 Automatic performance device Yoshihisa Ito, Tadasu Kakizaki 1997-04-22
5340939 Instrument having multiple data storing tracks for playing back musical playing data 1994-08-23
5274192 Instrument for recording and playing back musical playing data 1993-12-28