Kenmei Masuda
23Patents
8h-index
59Co-inventors
74Inventor score
Filing activity: Jan 20, 1987 → Nov 20, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5495371A | Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head | Physics | 20 | Expired |
| US4789912A | Magnetic recording and reproducing apparatus of rotary head type | Physics | 12 | Expired |
| US6108165A | Rotary drum equipment and recording/reproducing equipment using the same | Physics | 12 | Expired |
| US5497279A | Tape cartridge and recording reproduction apparatus for the tape cartridge | Physics | 9 | Expired |
| US5617391A | Optical recording and reproducing system | Physics | 8 | Expired |
| US5602695A | Cassette loading mechanism for recording and playback apparatus | Physics | 8 | Expired |
| US4814910A | Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head | Physics | 8 | Expired |
| US5739976A | Magnetic recording and reproducing apparatus | Physics | 8 | Expired |
| US5570831A | Pneumatic static guide for a tape | Performing Operations; Transporting | 8 | Expired |
| US5978185A | Rotary head and recording/reading apparatus provided with rotary head | Physics | 6 | Expired |
| US5608585A | Magnetic recording and reproducing apparatus with repositioning stop mode | Physics | 5 | Expired |
| US5448427A | Magnetic recording and reproducing apparatus | Physics | 5 | Expired |
| US6654194B1 | High reliability magneto-resistive head cleaning system | Physics | 5 | Expired |
| US5812340A | Magnetic tape recording and reproducing plug-in unit | Physics | 4 | Expired |
| US5479312A | Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus | Physics | 3 | Expired |
| US6757123B2 | Method and apparatus for cleaning a magneto-resistive head | Physics | 3 | Expired |
| US5434735A | Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head | Physics | 3 | Expired |
| US4924329A | Rotary drum apparatus for a magnetic recording and reproducing device | Physics | 2 | Expired |
| US5734537A | Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same | Physics | 1 | Expired |
| US6078464A | Drum base on which a drum of a magnetic tape recorder is mounted | Physics | 1 | Expired |
| US5687047A | Magnetic tape cartridge having triple lid assembly | Physics | 1 | Expired |
| US6867938B2 | Digital information reproducing apparatus using rotary magnetic heads | Physics | 0 | Expired |
| US6061213A | Magnetic tape cartridge having triple lid assembly | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.