Inventor · disambiguated record
Masami Etchu
Also filed as: ETCHU MASAMI
17 granted patents·228 citations·filing 1976–1997
94Inventor score
Files withTEIJIN LTD17
Top patents by PatentIndex Score
17 records- 0176US5665454ABiaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefromTEIJIN LTD·Filed 1994·Granted Sep 9, 1997·34 cites·12 claims
- 0274US5620774ABiaxially oriented laminated polyester filmTEIJIN LTD·Filed 1995·Granted Apr 15, 1997·29 cites·2 claims
- 0367US5252388ABiaxially oriented polyester film for magnetic recording mediaTEIJIN LTD·Filed 1991·Granted Oct 12, 1993·22 cites·17 claims
- 0466US5731071ABiaxially oriented polyester filmTEIJIN LTD·Filed 1995·Granted Mar 24, 1998·23 cites·10 claims
- 0565US5656356ABiaxially oriented laminated polyester filmTEIJIN LTD·Filed 1995·Granted Aug 12, 1997·27 cites·2 claims
- 0661US5534323ABiaxially oriented film of polyethylene-2,6-naphtalenedicarboxylate for magnetic recording floppy disksTEIJIN LTD·Filed 1993·Granted Jul 9, 1996·14 cites·20 claims
- 0758US5316823AMagnetic tapeTEIJIN LTD·Filed 1992·Granted May 31, 1994·11 cites·12 claims
- 0846US5516574ABiaxially oriented laminated polyester film having different size particles in a layer thereofTEIJIN LTD·Filed 1995·Granted May 14, 1996·13 cites·7 claims
- 0944US5368932ABiaxially oriented polyester film for magnetic recording media containing theta or mixed alpha plus gamma aluminum oxide and inert organic particlesTEIJIN LTD·Filed 1993·Granted Nov 29, 1994·9 cites·19 claims
- 1042US4129630AProcess for producing thermoplastic resin films having reduced thickness unevennessTEIJIN LTD·Filed 1976·Granted Dec 12, 1978·8 cites·6 claims
- 1141US5702794ALaminated polyester film for magnetic recording mediumTEIJIN LTD·Filed 1995·Granted Dec 30, 1997·5 cites·23 claims
- 1240US5431983AMagnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layerTEIJIN LTD·Filed 1994·Granted Jul 11, 1995·7 cites·3 claims
- 1339US5529832ABiaxially oriented laminated polyester filmTEIJIN LTD·Filed 1994·Granted Jun 25, 1996·11 cites·12 claims
- 1438US5415930ABiaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefromTEIJIN LTD·Filed 1994·Granted May 16, 1995·5 cites·5 claims
- 1532US5556691ABiaxially oriented laminated polyester film and magnetic recording medium having the same as base filmTEIJIN LTD·Filed 1994·Granted Sep 17, 1996·5 cites·25 claims
- 1631US5958553ABiaxially oriented, polyethylene-2, 6-naphthalate film and magnetic tape formed therefromTEIJIN LTD·Filed 1997·Granted Sep 28, 1999·1 cites·12 claims
- 1731US5431976ALaminated polyester film and magnetic recording medium using it as base filmTEIJIN LTD·Filed 1993·Granted Jul 11, 1995·4 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Masami Etchu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →