Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
HN

Hideshi Nishiyama

Brother Kogyo: 6 patents #17 of 394Top 5%
BI Brother Industries: 1 patents #12 of 27Top 45%
📍 Owariasahi, JP: #1 of 2 inventorsTop 50%
Overall (2025): #12,718 of 469,880Top 3%
7
Patents 2025

Issued Patents 2025

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1093475 Photosensitive drum unit Keita Shimizu, Ryuji Noda, Takashi Shimizu 2025-09-16
12416896 Developing cartridge provided with cover Nao Itabashi, Naoya Kamimura, Ryuya Yamazaki 2025-09-16
12298701 Image forming apparatus Daisuke Ishizuka, Atsushi Ozawa 2025-05-13
12292701 Image forming apparatus 2025-05-06
12282270 Developer cartridge provided with gear having engagement portions Keita Shimizu, Takashi Shimizu, Naoya Kamimura, Tomonori Watanabe 2025-04-22
12282290 Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other Yasuo Fukamachi, Junya Sumida, Kazutoshi Nakamura, Shinya Kusuda 2025-04-22
12259675 Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder Yasuo Fukamachi, Shinya Kusuda, Kazutoshi Nakamura, Junya Sumida 2025-03-25