Masahiro Utsumi
6Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: May 4, 1983 → Jul 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5048078A | System for communication over a telephone line between a facsimile apparatus and a computer | Electricity | 26 | Expired |
| US4551386A | Magnetic recording materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6144463A | Facsimile machine having computer-linked mode | Electricity | 14 | Expired |
| US4499121A | Method of preparing a magnetic recording medium with a calendering treatment | Physics | 7 | Expired |
| US4663217A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US11135912B2 | Dump body and dump truck | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.