Patent Profile of the Person

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Filing of Patent Applications

Issuance of Patents

Maintenance of Patents

Women Inventors

Patenting Abroad

Analysis of Patent Citations

Activity of Patent Attorneys

Patent Profile of the Person

Profile: ZAIŢEV Dumitru (Update: 01.07.2024)

Cumulated data

**Cumulated data**
Total of filed applications, of which for:	12
Patents	4
Short-term patents	8
Utility models	0
Titles of protection granted/issued, of which:
patents (BI)	4/4
short term patents (BISD)	2/0
utitity models (MU)	0/0

Total of valid titles of protection	0 (BI:0 BISD:0 MU:0)
Invalid patents with the right of revalidation	0
Total titles of protection being valid more than 5 years	0
Average life of patent (years)	4.7 BI: 5.5 BISD: 3.0

Year	Patents	Total
2002	1	1
2004	1	1
2007	1	1
2013	0	1
2014	1	1
2023	0	5
2024	0	2

Year	Patents	Short-term patents	Utility models
2005	1	0	0
2006	1	0	0
2009	1	0	0
2016	1	0	0

Top IPC subclasses

**Top IPC subclasses**
No.	Subclass	Total appl.	Description
1	H02M	20	apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use wit
2	H01F	3	magnetsinductancestransformersselection of materials for their magnetic properties
3	H02J	3	circuit arrangements or systems for supplying or distributing electric powersystems for storing elec
4	F24J	1	Production or use of heat not otherwise provided for
5	H01L	1	Semiconductor devices; electric solid state devices not otherwise provided for
6	F24S	1
7	H02S	1

Top IPC subgroups

**Top IPC subgroups**
No.	Subgroup	Total appl.
1	H02M 5/257	7
2	H02M 5/10	6
3	H02M 5/12	6
4	H02J 3/06	3
5	H01F 29/02	2
6	F24J 2/00	1
7	F24S 10/00	1
8	H01F 29/14	1
9	H01L 31/00	1
10	H02M 5/14	1
11	H02S 40/44	1

Cooperation

Top-10 Inventors/Co-inventors (in the case of inventor profile)

**Top-10 Inventors/Co-inventors (in the case of inventor profile)**
No.	Name	Total
1	CALININ Lev	11
2	TÎRŞU Mihai	11
3	GOLUB Irina	8
4	ANISIMOV Vladimir	8
5	CALOŞIN Danila	6
6	POSTORONCA Sveatoslav	3
7	BERZAN Vladimir	2
8	BOSNEAGA Valeriu	2
9	LUPU Mihai	1
10	BÎCOVA Elena	1

Top-10 Co-applicants/applicants (in the case of inventor profile)

**Top-10 Co-applicants/applicants (in the case of inventor profile)**
No.	Name	Total
1	INSTITUŢIA PUBLICĂ UNIVERSITATEA TEHNICĂ A MOLDOVEI	6
2	INSTITUTUL DE ENERGETICĂ, MEC	5
3	INSTITUTUL DE ENERGETICĂ AL UTM	1

Top-10 Co-owners/owners (in the case of inventor profile)

**Top-10 Co-owners/owners (in the case of inventor profile)**
No.	Name	Total
1	INSTITUTUL DE ENERGETICĂ, MEC	4
2	INSTITUŢIA PUBLICĂ UNIVERSITATEA TEHNICĂ A MOLDOVEI	2

Top patents cited by person

**Top patents cited by person**
No.	Country	Number	Total
1	MD	3823	4
2	MD	4397	4
3	SU	1601714	1

Top patents cited by examiners(in Search Reports)

**Top patents cited by examiners(in Search Reports)**
No.	Number	Total
1	3823	8
2	4397	7
3	2652	5
4	2824	4
5	1760	2

The most cited person patents(in Description)

**The most cited person patents(in Description)**
No.	Country	Number	Total	Self-citations
1	MD	3823	6	0
2	MD	4397	6	0

The most longeval person patents

**The most longeval person patents**
No.	Patent number	Applicant	Inventor	Patent owner	Title	Valid till	In force (years)
1	2652	INSTITUTUL DE ENERGETICĂ AL ACADEMIEI DE ŞTIINŢE A MOLDOVEI, MD;	CALININ Lev, MD; ZAIŢEV Dumitru, MD; BERZAN Vladimir, MD; TÎRŞU Mihai, MD;	INSTITUTUL DE ENERGETICĂ AL ACADEMIEI DE ŞTIINŢE A REPUBLICII MOLDOVA, MD;	Phase-angle regulating installation controlled by power electronic switches	26.04.2011	7

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