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USPTO Patent Rankings Data through Dec 31, 2025
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Takehiro Ishidate — 7 Patents in 2021

Canon: 7 patents #58 of 3,943Top 2%
Tokyo, JP: #264 of 13,453 inventorsTop 2%
Overall (2021): #14,863 of 548,734Top 3%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11079698 Image forming apparatus including optical print head Daisuke Aruga, Toshiki Momoka 2021-08-03 $45,000
11067915 Cleaning member used in image forming apparatus including optical print head, and image forming apparatus including optical print head Daisuke Aruga, Hitoshi Iwai, Shinichiro Hosoi, Toshiki Momoka, Ryota Fukumoto 2021-07-20 $37,000
11042103 Image forming apparatus having optical print head Daisuke Aruga, Toshiki Momoka 2021-06-22 $66,000
10928747 Image forming apparatus including optical print head Hitoshi Iwai, Yuya Tamura, Toshiki Momoka 2021-02-23 $64,000
10928746 Image forming apparatus including optical print head Daisuke Aruga, Hitoshi Iwai, Shinichiro Hosoi, Toshiki Momoka, Yuya Tamura +1 more 2021-02-23 $64,000
10895818 Image forming apparatus including a moving unit for an optical print head Yoshitaka Otsubo, Yasuaki Otoguro, Yuta Okada, Daisuke Aruga, Hitoshi Iwai +4 more 2021-01-19 $45,000
10884372 Image forming apparatus including optical print head Yuya Tamura, Hitoshi Iwai, Yuta Okada, Toshiki Momoka, Shinichiro Hosoi +2 more 2021-01-05 $35,000