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USPTO Patent Rankings Data through Dec 31, 2025
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Kousuke Kawajiri — 14 Patents

Toyota: 20 patents #1,165 of 26,838Top 5%
Kariya, JP: #642 of 4,822 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Kousuke Kawajiri has been granted 14 US patents while listed as an inventor at Toyota. The first was granted in 2005 and the most recent in July 2020. Kousuke Kawajiri ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Kousuke Kawajiri in Kariya, JP.

Patents per Year

Patents granted per year, 2005 to 2020Bar chart with a peak of 4 patents in 2019.peak 42005: 1 patents20052014: 1 patents20142015: 3 patents20152018: 3 patents20182019: 4 patents20192020: 2 patents2020

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10727511 Fuel cell Keiji Hashimoto, Satoshi Futami 2020-07-28 $450,000
10651495 Fuel cell stack Keiji Hashimoto, Satoshi Futami, Nobuaki Nonoyama 2020-05-12 $554,000
10511036 Fuel cell module with arranged ridge segments Hiroya Nakaji, Kazunori Shibata, Hiroki Okabe, Satoshi Futami, Keiji Hashimoto +1 more 2019-12-17 $464,000
10347920 Gas channel forming plate for fuel cell and fuel cell stack Yoshinori Shinozaki, Satoshi Futami, Keiji Hashimoto 2019-07-09 $372,000
10263272 Gas flow path forming bodies of fuel cell, and fuel cell Keiji Hashimoto, Satoshi Futami 2019-04-16 $360,000
10181607 Gas flow passage-forming member and cell for fuel cell Kazunori Shibata, Hiroya Nakaji, Hiroki Okabe, Yoshinori Shinozaki, Satoshi Futami +1 more 2019-01-15 $679,000
10109868 Gas channel forming plate for fuel cell and fuel cell stack Satoshi Futami, Yuki Sugino, Takamasa Kanie, Hiroki Okabe, Kazunori Shibata 2018-10-23 $445,000
9960433 Gas channel forming member for fuel cells, and fuel cell Keiji Hashimoto, Satoshi Futami 2018-05-01 $313,000
9917310 Gas flow channel forming body for fuel cell, and fuel cell Keiji Hashimoto, Satoshi Futami 2018-03-13 $779,000
9190680 Fuel battery Keiji Hashimoto, Satoshi Futami 2015-11-17 $914,000
9160020 Fuel cell Keiji Hashimoto, Satoshi Futami, Takamasa Kanie, Kazunari Moteki, Tomokazu Hayashi 2015-10-13 $887,000
9065090 Fuel battery Keiji Hashimoto, Satoshi Futami, Tomokazu Hayashi 2015-06-23 $928,000
8835064 Fuel battery Keiji Hashimoto, Satoshi Futami 2014-09-16 $766,000
6855446 Fuel cell, separator for fuel cell, and manufacturing method of separator Keiji Hashimoto, Masanao Shiomi, Hirotaka Fukatsu, Seiken Hashimoto, Hiroyuki Morita 2005-02-15