Takashi Umeki has been granted 12 US patents while listed as an inventor at Idemitsu Kosan Co. . The first was granted in 2008 and the most recent in December 2024. Takashi Umeki ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Takashi Umeki in Sodegaura, JP.
Patents per Year Patents granted per year, 2008 to 2024 Bar chart with a peak of 3 patents in 2020. peak 3 2008: 1 patents 2008 2010: 1 patents 2010 2011: 1 patents 2011 2012: 1 patents 2012 2019: 2 patents 2019 2020: 3 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023 2024: 1 patents 2024 Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12183879 Sulfide solid electrolyte Futoshi Utsuno , Kota Terai , Masaru Nakagawa , Hiroshi Yamaguchi 2024-12-31
$196,000
11626616 Sulfide solid electrolyte Futoshi Utsuno , Kota Terai , Masaru Nakagawa , Hiroshi Yamaguchi 2023-04-11
$148,000
11271246 Sulfide solid electrolyte Futoshi Utsuno , Kota Terai , Masaru Nakagawa , Hiroshi Yamaguchi 2022-03-08
$130,000
10879559 Method for producing solid electrolyte Minoru Senga , Takayoshi Kambara , Katsuhito KONDO , Naoya Masuda 2020-12-29
10879561 Sulfide solid electrolyte Futoshi Utsuno , Kota Terai , Masaru Nakagawa , Hiroshi Yamaguchi 2020-12-29
10865108 Complex comprising sulfur, a method for manufacturing the same, and a method for manufacturing a solid electrolyte Minoru Senga 2020-12-15
10483587 Sulfide solid electrolyte Kota Terai , Futoshi Utsuno , Masaru Nakagawa , Hiroshi Yamaguchi 2019-11-19
10374253 Sulfide solid electrolyte Futoshi Utsuno , Kota Terai , Masaru Nakagawa , Hiroshi Yamaguchi 2019-08-06
8191900 Oil seal Takao Suzuki , Sinichi Tamura , Masaki Sohda , Tetsuya Ishikawa 2012-06-05
$1,310,000
7892417 Catalyst for reforming hydrocarbon and method for preparation thereof, and process for reforming hydrocarbon using said catalyst Tetsuya Fukunaga , Tomoki Yanagino , Kozo Takatsu 2011-02-22
7776785 Catalyst for carbon monoxide conversion and method of carbon monoxide modification with the same Kozo Takatsu , Yoshimi Kawashima , Satoshi Nakai 2010-08-17
7378368 Catalyst for reforming hydrocarbon and method for preparation thereof, and process for reforming hydrocarbon using said catalyst Tetsuya Fukunaga , Tomoki Yanagino , Kozo Takatsu 2008-05-27
