IM

Isao MATSUSHIMA

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
RK Riso Kagaku: 2 patents #230 of 551Top 45%
📍 Ibaraki, JP: #1,290 of 6,779 inventorsTop 20%
Overall (All Time): #609,328 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12023912 Coater and liquid discharge apparatus 2024-07-02
11890858 Coating apparatus and image forming system Keita ACHI 2024-02-06
11485157 Conveyance device, application device, printer, and sheet conveyance apparatus Kazuhiro Shimojima 2022-11-01
10774003 Surface structure forming method for zirconia-based ceramics, and zirconia-based ceramics Masayuki Kakehata, Hidehiko Yashiro 2020-09-15
10399803 Feeding device, image forming system, and conveyed medium inspection system Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Yuichiro Maeyama, Takeshi Watanabe +1 more 2019-09-03
10081506 Feeding device, image forming system, and conveyed medium inspection system Takeshi Watanabe, Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Yuichiro Maeyama +1 more 2018-09-25
9498971 Inkjet printing device 2016-11-22
9272524 Ink circulation type inkjet printer Hiroshi Sugitani, Tomoyuki Akiyama 2016-03-01