JH

Jun Hitosugi

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Overall (All Time): #484,762 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12372897 Image forming apparatus, image forming method, and printed material Saki TAJIMA, Kazumi Suzuki, Keiko Kajimura, Norio Kudoh, Shingo Hayashi +2 more 2025-07-29
9989876 Image forming apparatus and method for calculating a toner degradation rate Mutsuki Morinaga, Tadashi Kasai, Takamasa Ozeki, Makoto Yasuda, Kunio Hasegawa +6 more 2018-06-05
9684259 Image forming apparatus Takatsugu Komori, Emiko Shiraishi, Tadashi Kasai, Takamasa Ozeki, Kunio Hasegawa +4 more 2017-06-20
9599946 Image forming apparatus Mutsuki Morinaga, Tadashi Kasai, Takamasa Ozeki, Makoto Yasuda, Kunio Hasegawa +4 more 2017-03-21
9588460 Image forming apparatus Tadashi Kasai, Kunio Hasegawa, Takamasa Ozeki, Emiko Shiraishi, Wakana Itoh +3 more 2017-03-07
9513594 Protective layer forming device and image forming apparatus Kunio Hasegawa, Hiroshi Nakai, Kenji Komito, Tadashi Kasai, Takamasa Ozeki +6 more 2016-12-06
9488931 Image forming apparatus Makoto Yasuda, Takamasa Ozeki, Mutsuki Morinaga, Emiko Shiraishi, Wakana Itoh +14 more 2016-11-08
9316987 Image forming apparatus and image forming method Takamasa Ozeki, Mutsuki Morinaga, Emiko Shiraishi, Wakana Itoh, Hitoshi Yamamoto +4 more 2016-04-19
9280125 Image forming apparatus Wakana Itoh, Tadashi Kasai, Takamasa Ozeki, Emiko Shiraishi, Makoto Yasuda +4 more 2016-03-08
8774655 Image forming apparatus Motohiro Usami, Takahiro Seki, Masashi Nagayama, Shinji Aoki 2014-07-08