Pascal Metivier
42Patents
10h-index
40Co-inventors
75Inventor score
Filing activity: May 30, 1990 → Nov 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD512898S1 | Card and pinpad reader | General | 53 | Expired |
| US6895791B2 | Electronic lock system | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5864049A | Process for the preparation of mono- and dicarboxylic acids from unsaturated fatty acids and/or their derivatives | Chemistry; Metallurgy | 25 | Expired |
| USD484883S1 | Electronic lock card | General | 23 | Expired |
| US8774714B2 | External power supply system for a lock comprising NFC-type contactless communication means | Physics | 23 | Active |
| US8793784B2 | Secure method for controlling the opening of lock devices by means of a communicating object such as a mobile phone | Physics | 22 | Active |
| USD520848S1 | Electronic lock system with card and pinpad reader | General | 19 | Expired |
| USD526556S1 | Handle | General | 13 | Expired |
| USD532421S1 | Card reader | General | 10 | Expired |
| USD512297S1 | Electronic lock system | General | 10 | Expired |
| US9258281B2 | Secured method for controlling the opening of lock devices from messages implementing a symmetrical encryption | Physics | 10 | Active |
| US8712365B2 | System for the secure management of digitally controlled locks, operating by means of crypto acoustic credentials | Physics | 10 | Active |
| US5783737A | Process for the preparation of 3-carboxy-4-hydroxybenzaldehides and derivatives thereof | Chemistry; Metallurgy | 9 | Expired |
| US8620268B2 | Secure system for programming electronically controlled locking devices by means of encrypted acoustic accreditations | Physics | 9 | Active |
| US6184421A | Method for preparing a 4-hydroxybenzaldehyde and derivatives | Chemistry; Metallurgy | 7 | Expired |
| US6245936A | Process for the selective preparation of a 2-hydroxybenzoic acid and a 4-hydroxybenzaldehyde and derivatives thereof | Chemistry; Metallurgy | 6 | Expired |
| US9096793B2 | Soil additives for promoting seed germination, for prevention of evaporation and methods for use | Chemistry; Metallurgy | 5 | Active |
| USD741270S1 | Electronic door opening and closing system | General | 4 | Active |
| US9106271B2 | System for programming a lock comprising contactless NFC communication means | Electricity | 4 | Active |
| US5241086A | Process for the preparation of brominated compounds, especially from alcohols | Chemistry; Metallurgy | 4 | Expired |
| US5384415A | Process for the preparation of brominated compounds, especially from alcohols | Chemistry; Metallurgy | 3 | Expired |
| US5654338A | Preparation of optically active .alpha.-(hydroxyphenoxy)alkanecarboxylic acids and derivatives thereof | Chemistry; Metallurgy | 3 | Expired |
| US5049676A | Process for the preparation of optical isomers of 2-chloropropionic acid esters | Chemistry; Metallurgy | 3 | Expired |
| US5756853A | Process for the preparation of a substituted 4-hydroxybenzaldehyde | Chemistry; Metallurgy | 2 | Expired |
| US8731466B2 | System for programming a lock comprising contactless NFC communication means | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.