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

Toshiyuki Kobashi

Ricoh Company: 4 patents #25 of 689Top 4%
Overall (2025): #28,290 of 469,880Top 7%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12428781 Inkjet recording method Makoto Kuronuma, Tomohiro Hirade 2025-09-30
12286542 Ink discharging device, method of discharging ink, method of manufacturing ink-discharged matter, white ink, and set Daisuke Ozaki, Hiroshi Gotou, Ayaka Tanaka, Juichi Furukawa 2025-04-29
12275855 Printing method, printing device, printed matter, and set of processing fluid and ink Tomohiro Hirade, Makoto Kuronuma 2025-04-15
12221549 Set of inkjet inks, inkjet image forming method, and inkjet image forming apparatus Hiroshi Gotou, Daisuke Ozaki, Juichi Furukawa 2025-02-11