NY

Naoharu Yanagawa

Pioneer Electronic: 4 patents #7 of 290Top 3%
Overall (1994): #5,056 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5371725 Position control system for a read-write head of a magneto-optical disc player having heads which move independently from each other Shoji Taniguchi 1994-12-06
5363358 Optical disc apparatus with selection of three-beam and push-pull systems 1994-11-08
5321686 Read-write head of an magneto-optical disc player with both heads magnetically coupled together Shoji Taniguchi 1994-06-14
5287367 Apparatus for controlling semiconductor laser 1994-02-15