SK

Shogo Kezuka

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,792,353 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12181804 Cleanerless image forming apparatus with toner containing 1.8% by mass or less an external additive having a diameter of 5-50 nanometers Yasuhide Matsuno, Akihiro Kawasaki, Yutaro Kaku 2024-12-31
9304454 Fixing device and image forming apparatus incorporating same Takuya Suganuma, Jun Yura, Takeshi Uchitani, Masaki Sukesako, Hiroki Ishii +1 more 2016-04-05