AT

Akihiro Takeyama

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
Overall (All Time): #981,381 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10324390 Toner, developer, and image forming apparatus Junichi Watanabe, Takahiro Kadota 2019-06-18
10073366 Toner, toner storage unit, image forming apparatus, and method for manufacturing toner Kohsuke Nagata, Ryuuta Yoshida, Shinya Nakayama, Tsuyoshi Sugimoto, Akinori Saitoh +5 more 2018-09-11
9588451 Toner, developer, and image forming apparatus Shinya Nakayama, Akinori Saitoh, Shinsuke Nagai, Hiroyuki Takeda 2017-03-07
9557671 Electrostatic image developing toner, developer, and image forming apparatus Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Minoru Masuda, Akinori Saitoh +6 more 2017-01-31
5588410 Air-fuel ratio control method Hiroki Tamura, Naoki Yamazaki, Hitoshi Kamura, Tetsuo Maeda 1996-12-31