YM

Yoshifumi Masunaga

Pioneer Electronic: 8 patents #194 of 1,840Top 15%
Overall (All Time): #667,691 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5850313 Objective lens driving device and a method for manufacturing the same Takahiro Miyagi, Shigeru Takaya 1998-12-15
5748579 Optical pickup for magneto optical recording apparatus Takahiro Miyagi, Shigeru Takaya 1998-05-05
5734631 Disc player and method of reproducing the same Yuji Ikedo, Kanya Matsumoto 1998-03-31
5703864 Pickup device for otpical disk Takahiro Miyagi, Shigeru Takaya 1997-12-30
5264968 Lens drive apparatus in optical pickup and method of producing the same 1993-11-23
5103438 Optical pickup device having yoke with a central U-shaped base and inverted U-shaped portions connected thereto Yasuyuki Tashiro, Noboru Namigawara 1992-04-07
5056891 Method of preparing information reading apparatus and objective lens suspension body 1991-10-15
4951277 Optical disk player Yoshitaka Simoda 1990-08-21