Inventor
Kunihiko Takeda
Inventor
Yokohama, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07CAcyclic or carbocyclic compounds6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08JWorking-up6%
C08LCompositions of macromolecular compounds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
B29CShaping or joining of plastics3%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering3%
PatentTitleYear
11,078,636Display device, display method, recording medium, and structure monitoring system202111,008,426Polyarylene sulfide resin particulate and method of producing same202111,001,046Polybutylene terephthalate resin powder mixture20218,735,486'Flame-retardant resin composition, process for producing the same, method of molding the same'20147,750,069'Flame-retardant resin composition, production method of the same and molding method of the same'20104,803,057'Continuous chromatographic separation of uranium isotopes'19894,748,008'Process for separating uranium isotopes by oxidation-reduction chromatography'19884,533,678'Basic compound, its polymer, a process for the preparation thereof and its use as ion exchange resin'19854,430,445'Novel basic imidazolylmethylstyrene compound, its polymer, a process for the preparation thereof and a use as ion exchange resin'19844,406,870'Method for the separation of carbon isotopes by chemical exchange method'19834,394,353'Separation of rare earth metals using a cation exchanger'19834,376,687'Nitrogen-containing acrylic copolymer composition'19834,368,175'Ion exchange enrichment of uranium isotopes'19834,311,799'Novel basic cross-linked polymers'19824,302,424'Isotope separation'19814,285,811'Purification of formaldehyde by separation'19814,280,984'Isotope separation'19814,246,351'Protein adsorbent'19814,159,284'Process for separation of hydrocarbon mixture'19794,137,054'Purification of formaldehyde by separation'19794,124,770'Separation of xylenols from cresols with adsorbent'19784,118,457'Redox uranium isotope separation using anion exchangers'19784,093,570'Production of porous polymers'19784,092,398'Ion exchange apparatus for uranium technology'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1989Patents assigned to ASAHI CHEMICAL IND (19)· patent assignee history
1978–1989Based in Yokohama, JP· patent location history
2010–2014Patents assigned to PANASONIC CORP (2)· patent assignee history
2010–2014Based in Aichi, JP· patent location history
2014Patents assigned to TAKEDA KUNIHIKO (1)· patent assignee history
2021Patents assigned to TORAY INDUSTRIES (2)· patent assignee history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Chino, JP· patent location history
2021Based in Nagoya, JP· patent location history
2021Based in Tokai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI CHEMICAL IND | 19 | 1978–1989 |
| PANASONIC CORP | 2 | 2010–2014 |
| TORAY INDUSTRIES | 2 | 2021 |
| SEIKO EPSON CORP | 1 | 2021 |
| TAKEDA KUNIHIKOself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 18 | 1978–1989 |
| Aichi, JP | 2 | 2010–2014 |
| Chino, JP | 1 | 2021 |
| Nagoya, JP | 1 | 2021 |
| Tokai, JP | 1 | 2021 |