TH

Tadashi Hayakawa

Ricoh Company: 3 patents #117 of 1,326Top 9%
Overall (2021): #61,360 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11188007 Developer container which discharges toner from a lower side and includes a box section Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2021-11-30
10948850 Powder container and image forming apparatus Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Yuzuru Ozawa +2 more 2021-03-16
10908531 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2021-02-02