AT

Akira Takehisa

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #733,895 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9229409 Cleaning blade failure prediction processor and image forming apparatus incorporating same Mikiko Imazeki, Yasushi Nakazato, Osamu Satoh 2016-01-05
9141063 Image forming apparatus and method Yasushi Nakazato, Osamu Satoh, Mikiko Imazeki 2015-09-22
9091990 Device failure predictor and image forming apparatus incorporating same Mikiko Imazeki, Yasushi Nakazato, Osamu Satoh 2015-07-28
8953957 Image forming apparatus including a surface potential detector Yasushi Nakazato, Mikiko Imazeki, Osamu Satoh 2015-02-10
8948621 Management apparatus, image forming apparatus maintenance system including the same, and management method Mikiko Imazeki, Yasushi Nakazato, Jun Yamane 2015-02-03
8948620 Image forming system and latent image carrier replacement time detection method Mikiko Imazeki, Yasushi Nakazato 2015-02-03
6947675 Remote maintenance and diagnosis of office or domestic appliances Kiyohisa Koyama, Keiichi Suzuki, Youichi Onodera 2005-09-20