AI

Akihiro Iwamatsu

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
Overall (All Time): #339,768 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12085517 Lighting optical system and substrate inspecting device Shunichi Matsumoto, Masaya Yamamoto 2024-09-10
10614563 Evaluation device and recording medium storing evaluation program Shuhei Watanabe, Takuroh Sone, Hideyuki Kihara, Takayuki Gotoh, Takashi Soma 2020-04-07
10593031 Texture evaluation apparatus, texture evaluation method, and computer-readable recording medium Shuhei Watanabe, Takuroh Sone, Hideyuki Kihara, Takashi Soma, Naoki Nakamura +1 more 2020-03-17
10168215 Color measurement apparatus and color information processing apparatus Takayuki Gotoh, Takuroh Sone, Hideyuki Kihara, Takashi Soma, Shuhei Watanabe 2019-01-01
10003711 Light irradiation device, image reading device, and image forming apparatus Kazushige Kawamura, Takuya Kohda 2018-06-19
9554011 Light irradiator, image reader and image forming apparatus 2017-01-24
9363405 Light irradiation system, image scanning apparatus, and image forming apparatus Tsuyoshi Fujimoto 2016-06-07
9057809 Light irradiation device and image forming apparatus Tsuyoshi Fujimoto, Tokiko Inoue 2015-06-16
9007663 Light irradiation system, image scanning apparatus, and image forming apparatus Tsuyoshi Fujimoto 2015-04-14
8928956 Illumination system, image reader and image forming device Mitsuru Nakajima, Tetsuya Ogata, Tsuyoshi Fujimoto, Tokiko Inoue, Chihiro Tanaka 2015-01-06
8848262 Optical radiation device, image reader, and image forming device Tsuyoshi Fujimoto, Mitsuru Nakajima, Tokiko Inoue, Chihiro Tanaka 2014-09-30
8780416 Light irradiator, image scanner, and image forming apparatus Tokiko Inoue, Mitsuru Nakajima, Tsuyoshi Fujimoto, Chihiro Tanaka 2014-07-15
8179580 Optical scanning device and image forming apparatus Kenichi Yoshimura, Kohei Shimizu, Tokiko Inoue, Mitsuru Nakajima 2012-05-15
7898739 Plastic optical element, nest structure, die, optical scan apparatus and image formation apparatus Eiichi Hayashi, Kan Aoki, Go Takahashi 2011-03-01