HI

Hitoshi Iwatsuki

Ricoh Company: 53 patents #196 of 9,818Top 2%
RC Rocoh Company: 1 patents #9 of 21Top 45%
Overall (All Time): #46,583 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
12208571 Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object Akira Saito, Yasuyuki Yamashita, Kiichi Kamoda, Shigenori Yaguchi, Nozomu Tamoto +3 more 2025-01-28
11926931 Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object Akira Saito, Shigenori Yaguchi, Yasuyuki Yamashita, Kiichi Kamoda, Yasuo Suzuki +3 more 2024-03-12
11590685 Fiber aggregation, short fiber and method of manufacturing the same, and film and method of manufacturing the same Sohichiroh Iida, Mitsuru Naruse, Satoshi Ogawa, Yunsheng SUN 2023-02-28
11504883 Resin particle producing method Nozomu Tamoto, Yasuo Suzuki, Yasuyuki Yamashita, Sohichiroh Iida, Shinzo Higuchi +4 more 2022-11-22
11491713 Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object Akira Saito, Yasuyuki Yamashita, Kiichi Kamoda, Shigenori Yaguchi, Nozomu Tamoto +3 more 2022-11-08
11472958 Powder for solid freeform fabrication and method of manufacturing solid freeform fabrication object Mitsuru Naruse, Akira Saito, Yasuyuki Yamashita, Toshiyuki Mutoh, Yasutomo Aman +4 more 2022-10-18
11458676 Resin powder and method of manufacturing solid freeform fabrication object Kiichi Kamoda, Akira Saito, Yasutomo Aman 2022-10-04
11241825 Resin powder, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object Yunsheng SUN, Toshiyuki Mutoh, Shigenori Yaguchi, Mitsuru Naruse, Sohichiroh Iida 2022-02-08
11066758 Resin powder having pillar shape and specific circularity for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object Akira Saito, Shigenori Yaguchi, Yasuyuki Yamashita, Kiichi Kamoda, Yasuo Suzuki +3 more 2021-07-20
11052649 Resin powder for solid freeform fabrication, device for fabricating solid freeform fabrication object, and resin powder Akira Saito, Shigenori Yaguchi, Yasuo Suzuki, Nozomu Tamoto, Shinzo Higuchi 2021-07-06
11045978 Particle for solid freeform fabrication, powder for solid freeform fabrication, device for manufacturing solid freeform fabrication object, method of manufacturing solid freeform fabrication object, and particle Yasuyuki Yamashita, Kiichi Kamoda, Toshiyuki Mutoh, Yasutomo Aman, Toshiyuki Iseki +4 more 2021-06-29
10800096 Resin powder for solid freeform fabrication and device for solid freeform fabrication object Sohichiroh Iida, Shigenori Yaguchi, Yasuo Suzuki, Nozomu Tamoto, Shinzo Higuchi +3 more 2020-10-13
10682808 Three-dimensional object fabrication method, fabrication apparatus, and fabrication system Takashi Fujita, Akira Saito, Kiichi Kamoda, Yasutada Shitara, Kazuhiko Watanabe +6 more 2020-06-16
10233110 Material set for manufacturing glass object, liquid material for manufacturing glass object, method of manufacturing glass object, glass object, and device for manufacturing glass object Takeo Yamaguchi, Kazumi Ohtaki, Takuya Saito, Teruki Kusahara 2019-03-19
10197948 Developing device and image forming apparatus Koichi Sakata, Hiroshi Tohmatsu, Toyoaki Tano, Kenichi Mashiko, Mariko Takii +5 more 2019-02-05
10067438 Electrostatic latent image developing white developer, image forming method, image forming apparatus, and process cartridge Yoshihiro Murasawa, Hiroshi Tohmatsu, Mariko Takii, Koichi Sakata, Hiroyuki Kishida +2 more 2018-09-04
10030154 Powder material for three-dimensional modeling, material set for 3D modeling, method of manufacturing three-dimensional object, device for manufacturing three-dimensional object, and three-dimensional object Mitsuru Naruse, Yasuo Suzuki, Nozomu Tamoto, Yasuyuki Yamashita, Kazumi Ohtaki 2018-07-24
9873228 Powder material for three dimensional modeling, kit for three dimensional modeling, green body for three dimensional modeling, method of manufacturing three dimensional object, method of manufacturing three-dimensional green body, device for manufacturing three-dimensional object, and device for manufacturing three-dimensional green body Yasuo Suzuki, Mitsuru Naruse, Nozomu Tamoto, Kazumi Ohtaki, Yasuyuki Yamashita 2018-01-23
9782935 Powder material for three-dimensional modeling, kit for three-dimensional modeling, device for manufacturing three-dimensional object, and method of manufacturing three-dimensional object Yasuyuki Yamashita, Yasuo Suzuki, Mitsuru Naruse, Nozomu Tamoto, Shigenori Yaguchi +1 more 2017-10-10
9708502 Powder for 3D modeling, set for 3D modeling, method of manufacturing 3D object, and device for manufacturing 3D object Mitsuru Naruse, Nozomu Tamoto, Yasuo Suzuki, Yasuyuki Yamashita, Kazumi Ohtaki 2017-07-18
9519234 Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus Hiroyuki Kishida, Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Toyoaki Tano 2016-12-13
9304427 Carrier for developing an electrostatic latent image, developer and image forming apparatus Shigenori Yaguchi, Toyoaki Tano, Mariko Takii, Koichi Sakata, Hiroyuki Kishida +1 more 2016-04-05
9298119 Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer Shigenori Yaguchi, Koichi Sakata, Toyoaki Tano, Hiroyuki Kishida, Kenichi Mashiko +1 more 2016-03-29
9261817 Replenishing developer housing container and image forming apparatus Shigenori Yaguchi, Hiroshi Tohmatsu, Toyoaki Tano, Hiroyuki Kishida, Kenichi Mashiko +7 more 2016-02-16
9229347 Carrier for two-component developer, two-component developer using the carrier, and process cartridge and image forming method and apparatus using the two component developer Hiroyuki Kishida, Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Toyoaki Tano +1 more 2016-01-05