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Kunta Yoshikawa — 27 Patents

KAKaneka: 27 patents #14 of 1,525Top 1%

Settsu, JP: #17 of 603 inventorsTop 3%

Overall (All Time): #142,059 of 4,157,543Top 4%

27 Patents All Time

Kunta Yoshikawa has been granted 27 US patents while listed as an inventor at Kaneka. The first was granted in 2013 and the most recent in January 2025. Kunta Yoshikawa ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Kunta Yoshikawa in Settsu, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date
12191407	Crystal silicon solar cell module and cell aggregate for crystal silicon solar cell module	—	2025-01-07
11621358	Solar cell, solar cell production method, and solar cell module	Hisashi Uzu	2023-04-04
11508866	Photoelectric conversion element and photoelectric conversion device	Takashi Kuchiyama	2022-11-22
11482637	Photoelectric conversion element and photoelectric conversion device	—	2022-10-25
11402262	Photoelectric conversion device	—	2022-08-02
11404593	Double-sided electrode type solar cell and solar cell module	Yuji Takahashi, Shinya Omoto	2022-08-02
11335818	Solar cell and production method therefor, and solar cell module	Katsunori Konishi, Kunihiro Nakano, Hayato Kawasaki	2022-05-17
11302829	Photovoltaic device and method for manufacturing photovoltaic device	Kunihiro Nakano, Takashi Kuchiyama	2022-04-12
11177407	Method for manufacturing solar cell, solar cell, and solar cell module	Tooru Irie, Wataru Yoshida	2021-11-16
11125612	Photoelectric conversion element and photoelectric conversion device	Takashi Kuchiyama	2021-09-21
11063160	Solar cell module	Toru Terashita	2021-07-13
10998456	Solar cell, method for manufacturing same and solar cell module	Daisuke Adachi, Toru Terashita, Masafumi Hiraishi	2021-05-04
10964826	Solar cell and production method therefor, and solar cell module	Daisuke Adachi	2021-03-30
10962411	Photoelectric conversion element and photoelectric conversion device	—	2021-03-30
10916667	Solar cell and production method therefor, and solar cell module	Katsunori Konishi, Kunihiro Nakano, Hayato Kawasaki	2021-02-09
10854767	Solar cell and method for manufacturing same	Hayato Kawasaki, Kunihiro Nakano, Katsunori Konishi, Kenji Yamamoto	2020-12-01
10727360	Photoelectric conversion device and method for manufacturing same	Katsunori Konishi, Hayato Kawasaki, Kunihiro Nakano	2020-07-28
10644178	Solar battery and solar battery module	Kunihiro Nakano, Hayato Kawasaki, Katsunori Konishi	2020-05-05
10593820	Solar cell module and method for manufacturing same	Kunihiro Nakano, Toru Terashita, Masafumi Hiraishi, Kenji Yamamoto	2020-03-17
10566470	Solar cell, method for manufacturing same and solar cell module	Daisuke Adachi, Toru Terashita, Masafumi Hiraishi	2020-02-18
10446698	Photoelectric conversion device and method for manufacturing same	Katsunori Konishi, Hayato Kawasaki, Kunihiro Nakano	2019-10-15
10340848	I-V measurement device for solar cell, manufacturing method for solar cell, and solar cell module	Hayato Kawasaki, Kunihiro Nakano, Kenji Yamamoto	2019-07-02
9166089	Thin film solar cell module	Mitsuru Ichikawa, Kenji Yamamoto	2015-10-20
9147780	Solar cell, method for manufacturing same, and solar cell module	Nick Valckx, Masanori Kanematsu, Jose Luis Hernandez, Daisuke Adachi	2015-09-29
8546685	Crystalline silicon based solar cell and method for manufacturing thereof	Daisuke Adachi, Kenji Yamamoto	2013-10-01