ISHIKAWA PREFECTURE
10Patents
5Active
10Granted
40Portfolio score
Filing activity: Dec 28, 1988 → Aug 13, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7038658B2 | Input device | Physics | 13 | Expired |
| US4913861A | Process for preparing carbon fiber-reinforced composite materials | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4986316A | Package feed for a prescribed weft length of carbon fiber | Performing Operations; Transporting | 9 | Expired |
| US5016451A | Apparatus for treating carbon fiber fabrics | Textiles; Paper | 4 | Expired |
| US5511395A | Carbon fiber fabric spreading apparatus having a freely rotatable endless belt | Textiles; Paper | 3 | Expired |
| US8531091B2 | Apparatus for holding piezoelectric vibrator | Electricity | 1 | Active |
| US9099640B2 | Transducer for ultrasonic motor | Electricity | 1 | Active |
| US11235536B2 | Method for welding synthetic resin member | Performing Operations; Transporting | 0 | Active |
| US11865637B2 | Laser machining apparatus and laser machining method | Performing Operations; Transporting | 0 | Active |
| US11502235B2 | Thermoelectric material and thermoelectric module | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.