KY

Kiyotaka Yanaka

SO Sony: 14 patents #3,108 of 25,231Top 15%
Overall (All Time): #328,653 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
5506738 Tape cassette with tape guide support structure Masafumi Tamura, Mitsuru Harada, Masato Tanaka 1996-04-09
D346597 Magnetic tape cassette Masato Tanaka 1994-05-03
5276580 Tape cassette including a spool locking member Masato Tanaka 1994-01-04
D337112 Magnetic tape cassette Masato Tanaka 1993-07-06
D336642 Magnetic tape cassette Masato Tanaka 1993-06-22
5218502 Tape cassette Masato Tanaka 1993-06-08
5210670 Reel brake operable from both sides of magnetic tape cassette Masato Tanaka 1993-05-11
5206781 Magnetic tape cassette having a protective plug to avoid erroneous erasure 1993-04-27
D334186 Magnetic tape cassette Masato Tanaka 1993-03-23
5195001 Rotary head type tape recording and/or reproducing apparatus Atsushi Murakami 1993-03-16
D333303 Magnetic tape cassette Masato Tanaka 1993-02-16
5173830 Tape cassette with tapered self-aligning reel hubs Masato Tanaka 1992-12-22
D331581 Magnetic tape cassette Masato Tanaka, Fumitaka Kikutani 1992-12-08
D330372 Magnetic tape cassette Fumitaka Kikutani 1992-10-20
5140487 Magnetic tape cassette having dynamic tape guide Masato Tanaka 1992-08-18