Inventor · Yokohama, JP

Masami Etchu

17Patents
7h-index
16Co-inventors
63Inventor score

Filing activity: Mar 29, 1976 → Feb 3, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5665454A Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom Emerging Cross-Sectional Technologies 28 Expired
US5620774A Biaxially oriented laminated polyester film Emerging Cross-Sectional Technologies 22 Expired
US5252388A Biaxially oriented polyester film for magnetic recording media Emerging Cross-Sectional Technologies 19 Expired
US5656356A Biaxially oriented laminated polyester film Emerging Cross-Sectional Technologies 16 Expired
US5731071A Biaxially oriented polyester film Emerging Cross-Sectional Technologies 11 Expired
US5316823A Magnetic tape Emerging Cross-Sectional Technologies 9 Expired
US5516574A Biaxially oriented laminated polyester film having different size particles in a layer thereof Emerging Cross-Sectional Technologies 8 Expired
US5368932A Biaxially oriented polyester film for magnetic recording media containing theta or mixed alpha plus gamma aluminum oxide and inert organic particles Emerging Cross-Sectional Technologies 7 Expired
US5534323A Biaxially oriented film of polyethylene-2,6-naphtalenedicarboxylate for magnetic recording floppy disks Emerging Cross-Sectional Technologies 7 Expired
US4129630A Process for producing thermoplastic resin films having reduced thickness unevenness Performing Operations; Transporting 5 Expired
US5529832A Biaxially oriented laminated polyester film Emerging Cross-Sectional Technologies 4 Expired
US5556691A Biaxially oriented laminated polyester film and magnetic recording medium having the same as base film Emerging Cross-Sectional Technologies 4 Expired
US5431983A Magnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layer Emerging Cross-Sectional Technologies 4 Expired
US5415930A Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom Emerging Cross-Sectional Technologies 3 Expired
US5431976A Laminated polyester film and magnetic recording medium using it as base film Emerging Cross-Sectional Technologies 3 Expired
US5702794A Laminated polyester film for magnetic recording medium Emerging Cross-Sectional Technologies 2 Expired
US5958553A Biaxially oriented, polyethylene-2, 6-naphthalate film and magnetic tape formed therefrom Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.