Patents by Inventor Seiichi Kashimura
Seiichi Kashimura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20260097417Abstract: A silicone coating film provided as a surface layer of an irradiated object exposed to ultraviolet irradiation, includes a silicone rubber as a base material and titanium oxide particles with an average particle size of less than 100 nm. A laminated structure includes a first layer including a silicone rubber as a base material, and a second layer laminated on the first layer, wherein the second layer is the silicone coating film.Type: ApplicationFiled: October 7, 2025Publication date: April 9, 2026Applicant: Proterial, Ltd.Inventors: Oga NORIMASA, Hideyuki SUZUKI, Seiichi KASHIMURA, Naoto TERAKI, Masamichi KISHI, Tatsuya SASAMURA, Kazufumi SUENAGA, Toshimitsu ONISHI
-
Patent number: 12476449Abstract: A boot-attached cable is composed of a cable, and a cable boot secured to an end of the cable by an adhesive layer. The adhesive layer includes an additive material comprising at least one of an organic substant and an inorganic substance, capable of shielding against ultraviolet light.Type: GrantFiled: November 28, 2022Date of Patent: November 18, 2025Assignee: Proterial, Ltd.Inventors: Kazufumi Suenaga, Seiichi Kashimura, Takanobu Watanabe
-
Patent number: 12385840Abstract: A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of TiO2 particles dispersed in a base material mainly composed of a silicone rubber by irradiating the resin composition with laser, and a step of determining a concentration of the TiO2 particles in the resin composition based on an intensity of a fluorescence spectrum in the Raman spectrum.Type: GrantFiled: September 15, 2022Date of Patent: August 12, 2025Assignee: Proterial, Ltd.Inventors: Kazufumi Suenaga, Seiichi Kashimura
-
Patent number: 12372471Abstract: A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of first TiO2 particles of anatase type TiO2 and second TiO2 particles of rutile type TiO2 by irradiation with laser, and determining a concentration ratio of the first TiO2 particles to the second TiO2 particles in the resin composition based on an intensity of a first peak assigned to lattice vibration in the anatase type TiO2 and an intensity of a second peak assigned to lattice vibration in the rutile type TiO2 in the Raman spectrum.Type: GrantFiled: August 26, 2022Date of Patent: July 29, 2025Assignee: Proterial, Ltd.Inventors: Kazufumi Suenaga, Seiichi Kashimura, Koki Hirano
-
Publication number: 20240321480Abstract: An insulated electric wire is provided with a metal conductor, and an insulation coating layer covering an outer periphery of the metal conductor. The insulation coating layer includes a lubricant layer including fluorine-based fine particles as a lubricant as an outermost layer, and an enamel insulation layer including fluorine-based fine particles as an inner layer with respect to the lubricant layer.Type: ApplicationFiled: March 19, 2024Publication date: September 26, 2024Applicant: Proterial, Ltd.Inventors: Hideyuki SUZUKI, Naoto TERAKI, Masamichi KISHI, Seiichi KASHIMURA, Kazufumi SUENAGA, Kanako SUGANUMA
-
Publication number: 20240296971Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.Type: ApplicationFiled: April 25, 2024Publication date: September 5, 2024Applicant: Proterial, Ltd.Inventors: Seiichi KASHIMURA, Kazufumi SUENAGA, Tamotsu KIBE, Kanako SUGANUMA
-
Patent number: 12073964Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.Type: GrantFiled: February 7, 2022Date of Patent: August 27, 2024Assignee: Proterial, Ltd.Inventors: Seiichi Kashimura, Kazufumi Suenaga, Tamotsu Kibe, Kanako Suganuma
-
Publication number: 20240110077Abstract: A resin composition includes silicone rubber as a base material, silicone resin fine particles, metal oxide fine particles, and nanosilica fine particles. A laminate structure includes a first layer including silicone rubber as a base material, and a second layer laminated to the first layer and including the resin composition. A cable or tube is provided with the laminate structure. A method of manufacturing the resin composition includes adding nanosilica fine particles to a mixture of silicone rubber, titanium dioxide fine particles, and an organic solvent, followed by adding silicone resin fine particles.Type: ApplicationFiled: September 19, 2023Publication date: April 4, 2024Inventors: Kanako SUGANUMA, Seiichi KASHIMURA, Hideyuki SUZUKI, Masamichi KISHI, Naoto TERAKI
-
Patent number: 11891535Abstract: A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.Type: GrantFiled: January 26, 2022Date of Patent: February 6, 2024Assignee: PROTERIAL, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Naoto Teraki, Takanobu Watanabe, Yuriko Kiyokane
-
Patent number: 11845881Abstract: A cable includes a sheath, and a coating film covering a circumference of the sheath, the coating film adhering to the sheath. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.Type: GrantFiled: March 25, 2021Date of Patent: December 19, 2023Assignee: PROTERIAL, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Naoto Teraki, Takanobu Watanabe, Yuriko Kiyokane
-
Patent number: 11779193Abstract: A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.Type: GrantFiled: September 3, 2020Date of Patent: October 10, 2023Assignee: PROTERIAL, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Naoto Teraki, Takanobu Watanabe, Yuriko Kiyokane
-
Publication number: 20230208126Abstract: A boot-attached cable is composed of a cable, and a cable boot secured to an end of the cable by an adhesive layer. The adhesive layer includes an additive material comprising at least one of an organic substant and an inorganic substance, capable of shielding against ultraviolet light.Type: ApplicationFiled: November 28, 2022Publication date: June 29, 2023Inventors: Kazufumi SUENAGA, Seiichi KASHIMURA, Takanobu WATANABE
-
Patent number: 11655587Abstract: A cable includes a sheath, and a coating film covering a circumference of the sheath. The coating film adheres to the sheath. The static friction coefficient of a surface of the coating film is smaller than the static friction coefficient of a surface of the sheath. The adhesion strength between the sheath and the coating film is 0.30 MPa or more.Type: GrantFiled: December 22, 2021Date of Patent: May 23, 2023Assignee: PROTERIAL, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Takanobu Watanabe, Kimika Kudo, Masashi Arai
-
Publication number: 20230093012Abstract: A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of TiO2 particles dispersed in a base material mainly composed of a silicone rubber by irradiating the resin composition with laser, and a step of determining a concentration of the TiO2 particles in the resin composition based on an intensity of a fluorescence spectrum in the Raman spectrum.Type: ApplicationFiled: September 15, 2022Publication date: March 23, 2023Inventors: Kazufumi SUENAGA, Seiichi KASHIMURA
-
Publication number: 20230077911Abstract: A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of first TiO2 particles of anatase type TiO2 and second TiO2 particles of rutile type TiO2 by irradiation with laser, and determining a concentration ratio of the first TiO2 particles to the second TiO2 particles in the resin composition based on an intensity of a first peak assigned to lattice vibration in the anatase type TiO2 and an intensity of a second peak assigned to lattice vibration in the rutile type TiO2 in the Raman spectrum.Type: ApplicationFiled: August 26, 2022Publication date: March 16, 2023Inventors: Kazufumi SUENAGA, Seiichi KASHIMURA, Koki HIRANO
-
Publication number: 20220254543Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.Type: ApplicationFiled: February 7, 2022Publication date: August 11, 2022Inventors: Seiichi KASHIMURA, Kazufumi SUENAGA, Tamotsu KIBE, Kanako SUGANUMA
-
Patent number: 11401439Abstract: A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.Type: GrantFiled: April 20, 2021Date of Patent: August 2, 2022Assignee: HITACHI METALS, LTDInventors: Seiichi Kashimura, Masamichi Kishi, Naoto Teraki, Takanobu Watanabe, Yuriko Kiyokane
-
Publication number: 20220145127Abstract: A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.Type: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Inventors: Seiichi KASHIMURA, Masamichi KISHI, Naoto TERAKI, Takanobu WATANABE, Yuriko KIYOKANE
-
Publication number: 20220112657Abstract: A cable includes a sheath, and a coating film covering a circumference of the sheath. The coating film adheres to the sheath. The static friction coefficient of a surface of the coating film is smaller than the static friction coefficient of a surface of the sheath. The adhesion strength between the sheath and the coating film is 0.30 MPa or more.Type: ApplicationFiled: December 22, 2021Publication date: April 14, 2022Inventors: Seiichi KASHIMURA, Masamichi KISHI, Takanobu WATANABE, Kimika KUDO, Masashi ARAI
-
Patent number: 11286615Abstract: A cable includes a sheath, and a coating film covering a circumference of the sheath. The coating film adheres to the sheath. The static friction coefficient of a surface of the coating film is smaller than the static friction coefficient of a surface of the sheath. The adhesion strength between the sheath and the coating film is 0.30 MPa or more.Type: GrantFiled: May 14, 2019Date of Patent: March 29, 2022Assignee: HITACHI METALS, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Takanobu Watanabe, Kimika Kudo, Masashi Arai