Jun Kamada
42Patents
12h-index
68Co-inventors
84Inventor score
Filing activity: Mar 21, 1996 → May 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6915434B1 | Electronic data storage apparatus with key management function and electronic data storage method | Electricity | 345 | Expired |
| US6421779B1 | Electronic data storage apparatus, system and method | Electricity | 124 | Expired |
| US6108683A | Computer system process scheduler determining and executing processes based upon changeable priorities | Physics | 79 | Expired |
| US7865733B2 | Secure processor and a program for a secure processor | Physics | 72 | Active |
| US6505213B1 | File management apparatus and method | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7181629B1 | Data distribution system as well as data supply device terminal device and recording device for the same | Electricity | 32 | Expired |
| US6999948B1 | Memory card | Electricity | 28 | Expired |
| US6668269B1 | Computer system process scheduler determining and executing processes based upon changeable priorities | Physics | 27 | Expired |
| US7383446B1 | Recording device | Electricity | 20 | Expired |
| US7203312B1 | Data reproduction apparatus and data reproduction module | Electricity | 17 | Expired |
| US8886959B2 | Secure processor and a program for a secure processor | Physics | 14 | Active |
| US8051302B1 | Data distributing system and recording medium used for it | Electricity | 14 | Active |
| US6345360B1 | Apparatus method and computer readable storage medium with recorded program for managing files with alteration preventing/detecting functions | Physics | 11 | Expired |
| US9672384B2 | Secure processor and a program for a secure processor | Physics | 8 | Active |
| US6173390A | Storage medium driving device, storage medium and data protecting method | Physics | 6 | Expired |
| US7028340B1 | Apparatus, a system and method for controlling access to contents | Physics | 5 | Expired |
| US6599675B2 | Polyimides and polyamic acids | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7058770B2 | Method and apparatus for controlling the recording of digital information, by using unit management table | Electricity | 2 | Expired |
| US7747538B2 | Memory card | Electricity | 2 | Active |
| US11332643B2 | Adhesive member and production method for adhesive member | Emerging Cross-Sectional Technologies | 1 | Active |
| US10340172B2 | Semiconductor wafer surface protection film and method for manufacturing semiconductor device | Electricity | 1 | Active |
| US10385157B2 | Blocked isocyanate, coating composition, adhesive composition, and article | Chemistry; Metallurgy | 1 | Active |
| US9536110B2 | Secure processor and a program for a secure processor | Physics | 1 | Active |
| US11398389B2 | Method of producing electronic device | Electricity | 1 | Active |
| US9652635B2 | Secure processor and a program for a secure processor | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.