MD

Masaaki Daigaku

OC Olympus Optical Co.: 2 patents #44 of 155Top 30%
Overall (1982): #10,497 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4351009 Apparatus for moving the pinch roller and the magnetic head of a tape recorder Hajime Osada, Akiteru Kimura, Tokuo Shimizu, Goro Kitajima, Yoshio Tomizawa +2 more 1982-09-21
4337383 Earphone jack for tape recorders 1982-06-29