Norio Akamatsu
4Patents
0Active
4Granted
27Portfolio score
Filing activity: May 30, 1989 → Nov 14, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4967105A | Load current control-type logic circuit | Electricity | 35 | Expired |
| US6653547B2 | Solar energy converter | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5258938A | Interpolating method using bit-shift and addition/subtraction operations | Physics | 19 | Expired |
| US6721429B1 | Electro-magnetic microphone | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.