Masami Etchu
17Patents
7h-index
16Co-inventors
63Inventor score
Filing activity: Mar 29, 1976 → Feb 3, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.