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USPTO Patent Rankings Data through Sept 30, 2025
KA

Kazuo Anno — 4 Patents in 2021

Sony: 4 patents #270 of 3,148Top 9%
Overall (2021): #46,585 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11145329 Recording medium cartridge and drive device Eiji Nakashio, Takanobu Iwama, Naohiro Adachi, Shinya Tochikubo, Masayoshi Abe 2021-10-12
11107505 Cartridge Eiji Nakashio, Shinya Tochikubo, Takanobu Iwama 2021-08-31
10984819 Magnetic tape recording device including cartridge memory having a plurality of memory banks Naohiro Adachi, Eiji Nakashio, Shinya Tochikubo, Minoru Yamaga, Takanobu Iwama +1 more 2021-04-20
10971186 Cartridge memory, recording medium cartridge, and method of producing the same Eiji Nakashio, Takanobu Iwama, Shinya Tochikubo, Naohiro Adachi, Minoru Yamaga +1 more 2021-04-06