KK

Keiko Kajimura

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,341,083 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12372897 Image forming apparatus, image forming method, and printed material Saki TAJIMA, Jun Hitosugi, Kazumi Suzuki, Norio Kudoh, Shingo Hayashi +2 more 2025-07-29
10061226 Image forming apparatus and image forming method Kazuaki Kamihara, Yuuichiroh Uematsu, Tetsuya Muto, Tomohide Takenaka, Keita Sone +5 more 2018-08-28
9989876 Image forming apparatus and method for calculating a toner degradation rate Mutsuki Morinaga, Tadashi Kasai, Jun Hitosugi, Takamasa Ozeki, Makoto Yasuda +6 more 2018-06-05