Naoki Doi — 3 Patents at Daicel

Naoki Doi has been granted 3 US patents while listed as an inventor at Daicel. The first was granted in 2014 and the most recent in April 2023. Naoki Doi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Naoki Doi in Tokyo, JP.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11621422	Electrode slurry, electrode and process for producing the same, and secondary battery	Masao Iwaya, Shinya Ono	2023-04-04
11094934	Electrode slurry, electrode and process for producing the same, and secondary battery	Masao Iwaya, Shinya Ono	2021-08-17
8871039	Thick welded steel pipe excellent in low temperature toughness, manufacturing method of thick welded steel pipe excellent in low temperature toughness, and steel plate for manufacturing thick welded steel pipe	Yasuhiro Shinohara, Takuya Hara, Eiichi Yamashita	2014-10-28

Naoki Doi — 3 Patents

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