Kosei Watanabe — 2 Patents at Oki Data

Kosei Watanabe has been granted 2 US patents while listed as an inventor at Oki Data. The first was granted in 2021 and the most recent in October 2025. Kosei Watanabe ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Kosei Watanabe in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12443372	Memory system and method of controlling memory chips	Shinji Yonezawa, Eiji Sukigara, Mitsusato Hara, Haruhito Mori, Hajime Yamazaki	2025-10-14
D911436	Printer	Toshiyuki Kimura, Hidenori Ueda, Katsuhiro Yamaguchi, Hiroyuki Mizuno, Morihito Saigusa	2021-02-23

Kosei Watanabe — 2 Patents

Issued Patents All Time

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