MT

Masakazu Tatsumi

Canon: 8 patents #7,260 of 19,416Top 40%
ST Silex Technology: 1 patents #2 of 7Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Hirakata, ID: #1 of 1 inventorsTop 100%
Overall (All Time): #444,500 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12072667 Cartridge and image forming apparatus Yuko Harada, Ryuta Murakami, Akira Yoshimura, Satoshi Koga 2024-08-27
11550255 Image forming apparatus and developing cartridge Masato Tanabe, Tatsuro Harada 2023-01-10
11500305 Process cartridge having toner receiving portion Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida 2022-11-15
11360427 Cartridge and remanufacturing method of cartridge Hiroki Shimizu, Tomofumi Kawamura 2022-06-14
11209749 Process cartridge having toner receiving portion Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida 2021-12-28
11086267 Image forming apparatus and developing cartridge Masato Tanabe, Tatsuro Harada 2021-08-10
10955794 Cartridge and remanufacturing method of cartridge Hiroki Shimizu, Tomofumi Kawamura 2021-03-23
10732545 Cartridge remanufacturing method and cartridge Toshiaki Takeuchi, Shuichi Gofuku, Yu Akiba, Shota Nakamura, Hiroki Shimizu +1 more 2020-08-04
D881986 Process cartridge for image forming apparatus Tatsuro Harada, Teruhiko Sasaki 2020-04-21
9736076 Device server and control method thereof Kenta Nishihara, Kazutoshi Takata 2017-08-15
D261266 Vacuum cleaner Toshihiko Yoshida, Seiichi Sakakibara, Toshiki Kubo, Tsugio Akita, Yoshiaki Ueda 1981-10-13