HT

Hajime Tsukahara

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
DE Denso: 1 patents #6,940 of 11,792Top 60%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #204,642 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12109861 Calibration device, suspension system, saddle-type vehicle, and calibration method 2024-10-08
12066854 Data processing device, image reading apparatus, image forming apparatus, and method for processing data Tomohiro Sasa 2024-08-20
11429141 Data processing device, image reading apparatus, image forming apparatus, and data processing method Tomohiro Sasa 2022-08-30
11387326 Silicon carbide semiconductor device and method for manufacturing the same Kentarou Okumura, Hidekazu Odake, Yukihiko Watanabe 2022-07-12
11115561 Inclination detecting device, reading device, image processing apparatus, and method of detecting inclination Hiroki Shirado, Ayumu HASHIMOTO, Yuuki Nakada, Tomohiko Ono, Tatsuya Ozaki +4 more 2021-09-07
11102364 Inclination detecting device, reading device, image processing apparatus, and method of detecting inclination Yuuki Nakada, Hiroki Shirado, Ayumu HASHIMOTO, Tomohiko Ono, Tatsuya Ozaki +4 more 2021-08-24
11102365 Edge detecting device, tilt correction device, reading device, image processing apparatus, and edge detection method Tomohiko Ono, Hiroki Shirado, Ayumu HASHIMOTO, Yuuki Nakada, Tatsuya Ozaki +4 more 2021-08-24
11102375 Sheet reading apparatus for detecting the shadow of a conveyed sheet to determine an inclination Hiroshi Kubo, Kimiharu Yanagisawa, Yoshiaki Nagao, Masahiro Itoh, Tatsuya Ozaki +4 more 2021-08-24
10951791 Image processing apparatus, method for processing image, and recording medium for noise removal and skew correction Ayumu HASHIMOTO, Hiroki Shirado, Yuuki Nakada, Tomohiko Ono, Tatsuya Ozaki +4 more 2021-03-16
9211626 Semiconductor device and grinding method of semiconductor device Takeshi Kondo, Hideki Naruoka 2015-12-15
8767268 Image reading apparatus, image forming apparatus, and shading correction method Makio Kondo 2014-07-01
8514452 Image scanning apparatus and image forming apparatus 2013-08-20
8395821 Image reading apparatus Tohru Kanno 2013-03-12
8395830 Image reading signal processing IC, image reading apparatus, and image forming apparatus Tohru Kanno 2013-03-12
8345319 Image reading apparatus Dalsuke Nikaku 2013-01-01
8335023 Image reading apparatus and image forming apparatus 2012-12-18
8279502 Image reading apparatus and image forming apparatus 2012-10-02
7948661 Image reading apparatus and image forming apparatus including the image reading apparatus Tohru Kanno 2011-05-24
7889404 Image reading device, image forming apparatus, and reading-unit install method 2011-02-15
7782496 Image signal processing circuit, image reading device, and image forming apparatus Tohru Kanno 2010-08-24
7719724 Black-level feedback device, image reading device, and black-level feedback control method 2010-05-18