Tokyo Denki University
21Patents
19Active
21Granted
50Portfolio score
Filing activity: Dec 12, 2003 → Sep 12, 2019 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7760625B2 | Exchange node and exchange node control method | Electricity | 33 | Active |
| US8059879B2 | Brain function analysis apparatus and method | Physics | 18 | Active |
| US8286509B2 | Tactile sensor | Performing Operations; Transporting | 12 | Active |
| US7859241B2 | Photovoltaic power generation controller and power evaluation method in photovoltaic power generation control | Emerging Cross-Sectional Technologies | 6 | Active |
| US7639348B2 | Stress measuring method and instrument | Physics | 4 | Expired |
| US9140445B2 | Superheated steam generation container, superheated steam generator, and superheated steam generation method | Performing Operations; Transporting | 3 | Active |
| US7976416B2 | Game ball | Human Necessities | 2 | Active |
| US8330948B2 | Semiconductor test instrument and the method to test semiconductor | Physics | 2 | Active |
| US8279439B2 | Birefringence measuring device and birefringence measuring method | Physics | 2 | Active |
| US10941905B2 | Pressure accumulation container | Emerging Cross-Sectional Technologies | 1 | Active |
| US8394455B2 | Method for forming diamond-like carbon film | Chemistry; Metallurgy | 1 | Active |
| US11543079B2 | Pressure vessel | Emerging Cross-Sectional Technologies | 1 | Active |
| US7405380B2 | Portable electromagnetic induction heating device | Electricity | 1 | Expired |
| US11189830B2 | Aqueous solution electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10962987B2 | Group robot and collective movement controlling method for group robot | Physics | 0 | Active |
| US7679940B2 | Three-phase voltage source inverter system | Electricity | 0 | Active |
| US8797510B2 | Gradient refractive index lens array projection exposure | Physics | 0 | Active |
| US8421999B2 | Projection exposure apparatus and projection exposure method | Physics | 0 | Active |
| US8972370B2 | Repetitive fusion search method for search system | Physics | 0 | Active |
| US8606842B2 | N-digit subtraction unit, N-digit subtraction module, N-digit addition unit and N-digit addition module | Physics | 0 | Active |
| US11879592B2 | Gas pressure vessel | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.