Inventor

Takanobu Watanabe

Inventor
Hitachi, JP

Overview

29→
Patents
1984–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Bprimary
H01BCables22%
G03GElectrography14%
C07CAcyclic or carbocyclic compounds10%
B01DSeparation9%
A61BDiagnosis5%
A61MDevices for introducing media into, or onto, the body3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C07DHeterocyclic compounds3%
F24FAir-conditioning3%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
10,614,931Coaxial cable and medical cable202010,258,765Cable and medical hollow tube201910,249,412Composite cable20199,905,330'Flexible cable'20189,734,934'Coaxial cable and medical cable using same'20179,723,768'Multicore shielded cable and branching method therefor'20179,691,518'Medical cable'20179,659,683'Coaxial cable and medical cable using the same'20179,431,784'Method of fabricating a flat cable'20168,975,521'Shielded flat cable and cable harness using the same'20158,948,556'Optical-electrical composite cable'20158,937,253'Catheter wire'20158,816,208'Flat cable and cable harness using the same'20148,729,399'Flat cable and method for fabricating the same'20148,420,936'Cable harness'20136,858,161'Method for purifying electronic item material'20055,840,980'Diamine compounds and electrophotographic photoreceptor'19985,728,500'Electrophotographic photoreceptor with acenaphthene compound'19985,721,082'Electrophotographic photoreceptor containing amine compound'19985,707,768'Diamine compounds and electrophotographic photoreceptor'19985,654,481'Amine compound'19975,635,142'NO.sub.x adsorption and removal apparatus'19975,629,421'Hydrazone compounds'19975,612,276'Adsorbents for removing low-concentration nitrogen oxides'19975,512,400'Hydrazone compound and electrophotographic photoreceptor and organic electroluminescent element both containing the same'19965,439,868'Absorbents for removing low-concentration nitrogen oxides'19955,435,981'Method of adsorbing and removing nitrogen oxides'19955,158,582'Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas'19924,424,062'Process and apparatus for chemically removing ash from coal'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1997Patents assigned to HITACHI SHIPBUILDING ENG CO (6)· patent assignee history
1992–1997Based in Kyoto, JP· patent location history
1996–2005Patents assigned to HODOGAYA CHEMICAL CO LTD (8)· patent assignee history
1996–2005Based in Ibaraki, JP· patent location history
1998Based in Tsukuba, JP· patent location history
2013–2015Patents assigned to HUANG DETIAN (4)· patent assignee history
2013–2015Patents assigned to WATANABE TAKANOBU (4)· patent assignee history
2013–2020Based in Hitachi, JP· patent location history
2014–2020Patents assigned to HITACHI METALS LTD (14)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD142014–2020
HODOGAYA CHEMICAL CO LTD81996–2005
HITACHI SHIPBUILDING ENG CO61984–1997
HUANG DETIAN42013–2015
WATANABE TAKANOBUself42013–2015
Locations
LocationPatentsSpan
Hitachi, JP142013–2020
Kyoto, JP51992–1997
Ibaraki, JP41996–2005
Tsukuba, JP31998
Tokyo, JP12019