YU

Yuuma Usui

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
UH University Of Hyogo: 1 patents #10 of 36Top 30%
Overall (All Time): #369,883 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12064984 Printed matter producing method and printed matter producing apparatus, and printed matter Mikiko Takada, Yukio Fujiwara 2024-08-20
11827004 Method and device for producing foamed body Yukio Fujiwara 2023-11-28
11104158 Printing method and printing device Yukio Fujiwara 2021-08-31
10339896 Head-mounted display apparatus, and display method Shigenobu Hirano, Ikue Kawashima, Yasuo Katano, Aino Hasegawa, Atsushi Ohshima 2019-07-02
9891497 Electrochromic device and method for producing electrochromic device Tohru Yashiro, Kohji Takeuchi, Sukchan Kim, Shun GOTO, Yasuo Katano +11 more 2018-02-13
9102138 Image forming apparatus Ryota Suzuki, Takeo Tsukamoto, Hisayoshi Ohshima, Aino Hasegawa, Hideomi Sakuma +4 more 2015-08-11
9010915 Aqueous ink composition and image forming apparatus Takeo Tsukamoto, Aino Hasegawa, Hideomi Sakuma, Manabu Seo, Hiroyuki Yamashita +5 more 2015-04-21
8944556 Image forming apparatus and image forming method Takeshi Hihara, Takeo Tsukamoto, Manabu Seo, Takahiko Matsumoto, Hiroyuki Yamashita +6 more 2015-02-03
8919946 Image forming apparatus and recording liquid Ryota Suzuki, Takeo Tsukamoto, Hideomi Sakuma, Aino Hasegawa, Manabu Seo +1 more 2014-12-30
8870350 Image forming device, and image forming method Ryota Suzuki, Takeo Tsukamoto, Takeshi Orito, Manabu Seo, Hideomi Sakuma +4 more 2014-10-28
8829133 ABA triblock copolymer, thickener, and aqueous composition Shin-ichi Yusa 2014-09-09
8746873 Image forming apparatus and image forming method Takeo Tsukamoto, Manabu Seo, Aino Hasegawa, Takeshi Orito, Ryota Suzuki 2014-06-10
8382233 Head cleaning device, image forming device, and head cleaning method Takeo Tsukamoto, Aino Hasegawa, Manabu Seo, Takeshi Orito, Ryota Suzuki 2013-02-26