Optiva, Inc.
27Patents
0Active
27Granted
38Portfolio score
Filing activity: Nov 3, 1992 → Feb 4, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5994855A | Automatic power adjustment system for introductory use of a vibrating device on a human body | Emerging Cross-Sectional Technologies | 426 | Expired |
| US6049428A | Dichroic light polarizers | Physics | 162 | Expired |
| US5784742A | Toothbrush with adaptive load sensor | Human Necessities | 161 | Expired |
| US5815872A | Pressure overload indicator system for power toothbrushes | Human Necessities | 152 | Expired |
| US5544382A | Pacing toothbrush | Human Necessities | 134 | Expired |
| US5796325A | Charging coil core insert for electric toothbrushes | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5305492A | Brush element for an acoustic toothbrush | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6035476A | Brushhead for a toothbrush | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6202241A | Brushhead for use in an acoustic toothbrush | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6399166B1 | Liquid crystal display and method | Chemistry; Metallurgy | 70 | Expired |
| US5476384A | Dentifrice/Medication dispensing toothbrush | Human Necessities | 69 | Expired |
| US6220772A | Fluid-dispensing and refilling system for a power toothbrush | Human Necessities | 59 | Expired |
| US6942925B1 | Dichroic polarizer | Physics | 59 | Expired |
| US6174394A | Method for thermostable and lightfast dichroic light polarizers | Physics | 53 | Expired |
| US5939050A | Antimicrobial compositions | Human Necessities | 42 | Expired |
| US6563640B1 | Dichroic polarizer and method for making the same | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6314907A | Device use indicator | Physics | 29 | Expired |
| US6583284B1 | Anisotropic films based on sulfoderivatives of phenanthro-9′, 10′:2,3-quinoxaline and lyotropic liquid crystal systems and method for making | Chemistry; Metallurgy | 29 | Expired |
| US6140802A | Automatic power adjustment system for introductory use of a vibrating device on a human body | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6248309A | Gums containing antimicrobial agents | Human Necessities | 17 | Expired |
| US6619553B1 | Interactive smart card and method of its fabrication | Physics | 15 | Expired |
| US6848897B2 | Device and method for forming anisotropic films | Physics | 13 | Expired |
| US6847420B2 | Liquid crystal display with reflecting polarizer | Physics | 11 | Expired |
| US6913783B2 | Method of obtaining anisotropic crystalline films and devices for implementation of the method | Performing Operations; Transporting | 11 | Expired |
| US6876806B2 | Optical waveguides and method of fabrication thereof | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.