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USPTO Patent Rankings Data through Sept 30, 2025
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Tomoharu Asano

Ricoh Company: 1 patents #807 of 1,821Top 45%
Overall (2018): #210,597 of 503,207Top 45%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10114302 Photoconductor, image forming apparatus, and process cartridge Ryohta Takahashi, Akihiro Sugino, Eiji Kurimoto, Hidetoshi Kami, Keisuke Shimoyama +2 more 2018-10-30