MK

Mio Kumai

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
Overall (All Time): #294,563 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11168228 Ink, image forming method, image forming device, and recorded matter Hidefumi Nagashima, Yuri Haga 2021-11-09
10807378 Ink set and image forming device Takashi Watanabe, Taku Hatakeyama, Kaoru Tadokoro, Sho Oyamatsu, Tomohiro Inoue +1 more 2020-10-20
10696069 Liquid discharge apparatus Taku Hatakeyama, Takashi Watanabe, Kaoru Tadokoro, Sho Oyamatsu, Tomohiro Inoue +1 more 2020-06-30
10654292 Liquid discharge apparatus Taku Hatakeyama, Takashi Watanabe, Kaoru Tadokoro, Sho Oyamatsu, Tomohiro Inoue +1 more 2020-05-19
10618331 Ink set and image forming device Takashi Watanabe, Taku Hatakeyama, Kaoru Tadokoro, Sho Oyamatsu, Tomohiro Inoue +1 more 2020-04-14
10508211 Ink, ink container, recording device, recording set and recording method Azumi Miyaake, Kaori Miyahara, Masayuki Koyano, Ayano Momose, Satoshi Kojima +3 more 2019-12-17
10030159 Active-energy-ray-curable composition, active-energy-ray-curable ink, two-dimensional or three-dimensional image forming method, two-dimensional or three-dimensional image forming apparatus, and cured material Mihoko Matsumoto, Masayuki Koyano, Kaori Miyahara, Azumi Miyaake, Yuuki Mizutani +6 more 2018-07-24
9988539 Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, two-dimensional or three-dimensional image forming apparatus, two-dimensional or three-dimensional image forming method, cured material, and structure Shun Saito, Mihoko Matsumoto, Masayuki Koyano, Azumi Miyaake, Yuuki Mizutani 2018-06-05
9874826 Toner, two-component developer, and color-image forming apparatus Hideki Sugiura 2018-01-23
9873804 Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, image forming method, image forming apparatus, cured material, and image formed matter Yuuki Mizutani, Mihoko Matsumoto, Masayuki Koyano, Azumi Miyaake, Shun Saito 2018-01-23
9678450 Toner and two-component developer Hideki Sugiura, Yuka Mizoguchi 2017-06-13
9618865 Toner, image forming apparatus, process cartridge, and developer Hideki Sugiura 2017-04-11
9618864 Toner, image forming apparatus, image forming method, process cartridge, and developer Hideki Sugiura, Yuka Mizoguchi 2017-04-11
9494886 Toner, image forming apparatus, image forming method, process cartridge, and two-component developer Hideki Sugiura 2016-11-15
9389528 Toner for developing electrostatic images and developer Hideki Sugiura 2016-07-12
9341971 Toner, and developer and image forming apparatus including same Yuka Mizoguchi, Hideki Sugiura 2016-05-17