Patents Assigned to Teknologian Tutkimuskeskus VTT
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Patent number: 11214046Abstract: According to an example aspect of the present invention, there is provided bio-based mineral oil barrier coatings and films usable for decreasing mineral oil migration, for example in food packaging materials, and thus improving the safety of the materials facing the mineral oil containing environment.Type: GrantFiled: February 3, 2017Date of Patent: January 4, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Jari Vartiainen, Christiane Laine, Marja Pitkänen, Taina Ohra-Aho, Adina Anghelescu-Hakala
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Patent number: 11214704Abstract: Described herein is a feasible, significantly simplified production method that avoids challenging lactonization steps and converts a low molecular weight aliphatic polyester, consisting of hydroxy acids and a comonomer, whose molecular weight has been increased by step-growth polymerization reactions. The molecular weight of the aliphatic polyester, based on comparison of initial and final weight average molecular weights (Mw,1/Mw,2), increased significantly at a rate which permits the use of reactive extrusion to produce high molecular weight aliphatic polyesters in a simple, economically feasible manner.Type: GrantFiled: December 9, 2019Date of Patent: January 4, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Thomas Gadda, Minni Pirttimaa, Ali Harlin, Mika Harkonen
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Publication number: 20210404880Abstract: An absorber structure for a thermal detector, the absorber structure including edges defining a basic form, a plurality of first legs of electrically conducting material joined in an electrically conductive manner to form, between the edges of the absorber structure, a grid having openings, the first legs forming at least one continuous connection between the edges of the absorber structure; and a plurality of second legs of electrically conducting material joined in an electrically conductive manner to the first legs, wherein the second legs protrude from the first legs into the openings of the grid and terminate at points of termination located at a distance from adjacent first legs.Type: ApplicationFiled: October 30, 2019Publication date: December 30, 2021Applicant: Teknologian tutkimuskeskus VTT OyInventors: Kirsi TAPPURA, Aapo VARPULA, Mika PRUNNILA
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Patent number: 11199455Abstract: A wafer-level integrated thermal detector comprises a first wafer and a second wafer (W1, W2) bonded together. The first wafer (W1) includes a dielectric or semiconducting substrate (100), a dielectric sacrificial layer (102) deposited on the substrate, a support layer (104) deposited on the sacrificial layer or the substrate, a suspended active element (108) provided within an opening (106) in the support layer, a first vacuum-sealed cavity (110) and a second vacuum-sealed cavity (106) on opposite sides of the suspended active element. The first vacuum-sealed cavity (110) extends into the sacrificial layer (102) at the location of the suspended active element (108). The second vacuum-sealed cavity (106) comprises the opening of the support layer (104) closed by the bonded second wafer.Type: GrantFiled: August 31, 2018Date of Patent: December 14, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Aapo Varpula, Bin Guo
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Patent number: 11194152Abstract: Electrically tunable Fabry-Perot interferometers which are produced with micromechanical (MEMS) technology. Producing interferometers with prior art processes includes costly and complicated production phases. Therefore, it has not been possible to apply interferometers in consumer mass products. According to the present solution, the Fabry-Perot cavity is made by removing a sacrificial layer (112) which has been polymer material. A mirror layer (113, 117-120) which is produced above the sacrificial layer can be made with atomic layer deposition technology, for example. According to a preferable embodiment, electrodes (106b, 115b) of the mirror structures are formed by using sputtering or evaporation. With the present solution it is possible to avoid the above mentioned problems related with prior art.Type: GrantFiled: July 29, 2019Date of Patent: December 7, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Martti Blomberg, Hannu Kattelus, Riikka Puurunen
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Patent number: 11175454Abstract: The invention relates to photonic circuits, in particular to photonic circuits where light is escalated transferred between optical waveguides which are coupled to photonic devices. A first waveguide on a silicon substrate is provided having a first thickness and a first refractive index. A tapered second waveguide having a second thickness less than the first thickness and a second refractive index higher than said first refractive index is deposited on the first waveguide. At least one layer of an optically active material comprising a photonic device is deposited on the first waveguide adjacent to the second waveguide. The photonic device is interfaced with the wide end of the tapered second waveguide to provide an optical coupling, and the opposite narrow end of the tapered second waveguide is interfaced on top of the first waveguide to provide adiabatic light transfer between said first and second waveguides.Type: GrantFiled: April 23, 2018Date of Patent: November 16, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventors: Matteo Cherchi, Timo Aalto, Sanna Arpiainen
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Patent number: 11143557Abstract: A solution for reading detector arrays is disclosed. The solution comprises generating (400) an excitation signal, varying (402) the frequency of the excitation signal in time, supplying (404) the excitation signal to a detector array comprising a set of thermal detectors. The number of detectors corresponds to the frequencies of the excitation signal. In the solution, the signal is demodulated (406) at the output of the detector array and time-multiplexed base band signal is obtained. An analogue to digital conversion is performed (408) to the time-multiplexed base band signal and the base band signal is demultiplexed (410) to obtain a set of detector signals.Type: GrantFiled: December 13, 2017Date of Patent: October 12, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Juha Hassel, Hannu Sipola, Andrey Timofeev, Visa Vesterinen
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Patent number: 11137490Abstract: A portable electronic navigational aid (104) e.g. for the blind (102), comprising a radio frequency, preferably millimeter wave, radar (218) with at least one transmitting (TX) channel and a plurality of receiving (RX) channels, at least one orientation sensor (220) configured to obtain data indicative of the orientation of the radar, and a processing element (210) configured to adaptively control (500, 602) the beamforming of the radar based on the data provided by the orientation sensor. A corresponding method is presented. An accessory, such as a replaceable cover, containing a radio frequency radar for attaching to an electronic host device is presented.Type: GrantFiled: September 16, 2014Date of Patent: October 5, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Mervi Hirvonen, Tero Kiuru, Janne Hakli, Pekka Pursula
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Patent number: 11131746Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising a receiver configured to receive at least the following wireless messages: an initial message from a master base station, at least one response message from each of at least two non-master base stations and a data message from the master base station, and at least one processing core configured to determine, based on the received wireless messages, for the master base station and each non-master base station, a time difference of arrival from the apparatus, and based at least partly on the determined time difference of arrival, a location of the apparatus.Type: GrantFiled: April 11, 2019Date of Patent: September 28, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventor: Jukka Kämäräinen
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Patent number: 11124810Abstract: The present invention relates to a method of converting oxalate to oxalyl-coA and/or oxalyl-coA to glyoxylate in a fungus and to a method of producing glycolic acid. Still, the present invention relates to a genetically modified fungus comprising increased enzyme activity associated with oxalyl-CoA. And furthermore, the present invention relates to use of the fungus of the present invention for producing oxalate, oxalyl-coA, glyoxylate and/or glycolic acid from a carbon substrate. Still furthermore, the present invention relates to a method of producing specific products and to a method of preparing the genetically modified fungus of the present invention.Type: GrantFiled: July 27, 2018Date of Patent: September 21, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventors: Mervi Toivari, Marja Ilmén, Merja Penttilä
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Patent number: 11129137Abstract: A method for selecting one or more resources for use from among a set of resources comprises obtaining (201) a first sub-set of the resources. The resources belonging to the first sub-set are the ones which have, according to occupancy information gathered over a long period of time, highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The method further comprises selecting (202) a second sub-set from among the first sub-set of the resources on the basis of second occupancy information gathered over a short period of time. The resources belonging to the second sub-set are the ones from among the first sub-set which, according to the second information, have highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The subsequent use of the long and short term occupancy information increases the probability of optimal selection.Type: GrantFiled: June 10, 2011Date of Patent: September 21, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventors: Marko Hoyhtya, Heli Sarvanko, Johanna Vartiainen
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Publication number: 20210284983Abstract: The present invention discloses a polypeptide having beta-glucosidase activity. The activity is retained also in high glucose concentration. The invention also discloses an isolated polynucleotide, a nucleic acid construct and a recombinant host usable in production of said polypeptide, and a method for producing the polypeptide. Further the invention discloses compositions including the polypeptide and method of using the polypeptide in hydrolysis or synthesis.Type: ApplicationFiled: June 4, 2019Publication date: September 16, 2021Applicant: Teknologian tutkimuskeskus VTT OyInventors: KAISA MARJAMAA, Anu KOIVULA, Nina ARO, Tiina PAKULA
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Publication number: 20210261479Abstract: A method and an apparatus for forming hydrocarbons. A feed which includes at least carbon dioxide supplied to a reactor having two catalysts, which are a Fe-based catalyst and a Co-based catalyst, and the catalysts are arranged inside the same reactor, and hydrogen is fed into the reactor. The feed is arranged to flow through the reactor and arranged to contact with the hydrogen and the catalysts in the reactor, and the feed is treated by two reaction steps wherein carbon monoxide is formed from the carbon dioxide and hydrogen and wherein hydrocarbons are formed from the carbon monoxide and hydrogen in the reactor.Type: ApplicationFiled: June 10, 2019Publication date: August 26, 2021Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Matti REINIKAINEN, Pekka SIMELL, Johanna KIHLMAN, Noora KAISALO
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Publication number: 20210246034Abstract: A method and apparatus for producing carbon monoxide, wherein the carbon monoxide is formed from a gaseous feed which includes at least carbon dioxide. The method includes supplying oxygen to a carbon dioxide stream for forming a carbon dioxide based mixture, supplying the carbon dioxide based mixture to a hydrogen based stream to form the gaseous feed, supplying a hydrocarbon containing stream to the hydrogen based stream before the supply of the carbon dioxide based mixture, feeding the gaseous feed into a reactor which includes at least one catalyst, treating the gaseous feed by partial oxidation in the reactor so that carbon dioxide reacts with hydrogen in the reactor in presence of oxygen and heat is formed during the reaction, and recovering a product composition including at least carbon monoxide and hydrogen from the reactor.Type: ApplicationFiled: March 12, 2019Publication date: August 12, 2021Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Noora KAISALO, Pekka SIMELL, Christian FRILUND, Francisco VIDAL VAZQUEZ, Ilkka HANNULA
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Publication number: 20210230270Abstract: The present invention relates to the fields of antibodies, antigen binding fragments and immunodiagnostics. Specifically, the invention relates to a recombinant anti-body or antigen binding fragment for binding thyroid hormone T4 (thyroxine) and halogenated bisphenol A. Also, the present invention relates to an isolated nucleic acid molecule comprising a nucleotide sequence that encodes the recombinant antibody or antigen binding fragment of the present invention, as well as an ex-pression vector and host cell comprising the nucleic acid molecule of the present invention. Still, the present invention relates to a method of producing a recombi-nant antibody or antigen binding fragment for binding T4 thyroid hormone and hal-ogenated bisphenol A, a test kit and an immunoassay comprising the recombinant antibody or antigen binding fragment of the present invention, and a method for determining T4 thyroid hormone and/or halogenated bisphenol A levels in a sam-ple of a subject.Type: ApplicationFiled: May 28, 2019Publication date: July 29, 2021Applicants: Teknologian tutkimuskeskus VTT Oy, Politecnico di MilanoInventors: Tarja NEVANEN, Henri AROLA, Antti TULLILA, Juha ROUVINEN, Tarja PARKKINEN, Pierangelo METRANGOLO
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Patent number: 11061817Abstract: Data memory node (400) for ESM (Emulated Share Memory) architectures (100, 200), comprising a data memory module (402) containing data memory for storing input data therein and retrieving stored data therefrom responsive to predetermined control signals, a multi-port cache (404) for the data memory, said cache being provided with at least one read port (404A, 404B) and at least one write port (404C, 404D, 404E), said cache (404) being configured to hold recently and/or frequently used data stored in the data memory (402), and an active memory unit (406) at least functionally connected to a plurality of processors via an interconnection network (108), said active memory unit (406) being configured to operate the cache (404) upon receiving a multioperation reference (410) incorporating a memory reference to the data memory of the data memory module from a number of processors of said plurality, wherein responsive to the receipt of the multioperation reference the active memory unit (406) is configured to procesType: GrantFiled: December 22, 2016Date of Patent: July 13, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventor: Martti Forsell
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Patent number: 11044935Abstract: The invention relates to process for converting berry and/or fruit materials to fractions comprising bioactive compounds, said process comprising the steps, where at least one berry material or fruit material selected from berries, fruits, by-products, side streams and waste materials originating from berries or fruits, and any combinations thereof is sieved whereby a seed fraction is separated from a skin fraction, the seed fraction is subjected to sanding and a seed coat fraction comprising surface layer of the seeds and a sanded seed fraction comprising the sanded seeds are obtained.Type: GrantFiled: December 17, 2015Date of Patent: June 29, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Riitta Puupponen-Pimiä, Liisa Nohynek, Tuija Kössö, Mirja Mokkila
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Patent number: 11051409Abstract: An electronic circuit (4) comprises at least one electrically conductive portion arranged to a substrate (2) and at least one electrical coupling point (5) determined at the at least one electrically conductive portion. The electronic circuit (4) comprises at the at least one electrical coupling point (5) at least one magnetic and electrically conductive coupling element (6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 6l) for providing an electrically conductive coupling point (5) with magnetic fastening force.Type: GrantFiled: January 31, 2019Date of Patent: June 29, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Mari Ylikunnari, Terho Kololuoma
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Patent number: 11047091Abstract: According to an example aspect of the present invention, there is provided a cost-effective method of producing cellulose based films by introducing an intense water removal system to the process, and cellulose based films thereof having improved properties.Type: GrantFiled: July 4, 2017Date of Patent: June 29, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventors: Riku Pihko, Vesa Kunnari
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Patent number: 11047674Abstract: A measuring device includes an illuminating unit arranged to project an illuminating light beam on a surface of a target object so as to form an illuminated region on the surface, an image sensor, and focusing optics arranged to form a focused spot on the image sensor by focusing light reflected from the illuminated region such that the position of the spot depends on the height of the surface with respect to a reference plane, wherein the device is configured to determine a height of the surface from a detected position of the focused spot, and wherein the normal of the image sensor is inclined with respect to the optical axis of the focusing optics.Type: GrantFiled: September 21, 2016Date of Patent: June 29, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventor: Kai Ojala