AK

Atsushi Kuriyama

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
NE Nec: 2 patents #5,510 of 14,502Top 40%
📍 Yokohama, JP: #325 of 480 inventorsTop 70%
Overall (All Time): #284,121 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12428248 Sheet processing apparatus, image forming apparatus, and image forming system Yusuke Tanaka, Kentaroh Fukami, Shigeyuki Itoh, Yuuki Nakagawa, Yiru Chen +5 more 2025-09-30
12269701 Sheet processing apparatus, image forming apparatus, and image forming system Takuya Fukuhara, Ken Sawada, Ryoh Suzuki, Kentaroh Fukami, Yusuke Tanaka +3 more 2025-04-08
12162709 Image forming apparatus Takato Mochizuki, Kentaroh Fukami, Yuuki Nakagawa, Yusuke Tanaka, Akikazu Iwata +4 more 2024-12-10
12017881 Post-processing device, image forming apparatus, and image forming system Yuuki Nakagawa, Takeshi Hirabayashi, Takato Mochizuki, Ryoh Suzuki, Kentaroh Fukami +2 more 2024-06-25
11511961 Sheet processing device and image forming system incorporating the sheet processing device Yusuke Tanaka, Kentaroh Fukami, Yuuki Nakagawa, Takato Mochizuki, Toshihisa Hioki +2 more 2022-11-29
9283797 Sheet processing apparatus and image forming system Yusuke Tanaka, Makoto Seki, Yuta Kiyao 2016-03-15
9102116 Sheet creaser, sheet finisher, image forming apparatus, sheet folding method, and computer program product Nobuyoshi Suzuki, Masahiro Tamura, Shuuya Nagasako, Naohiro Kikkawa, Kazuhiro Kobayashi +8 more 2015-08-11
8162306 Sheet aligning apparatus, sheet processing apparatus, and image forming apparatus Nobuyoshi Suzuki, Masahiro Tamura, Shuuya Nagasako, Naohiro Kikkawa, Kazuhiro Kobayashi +7 more 2012-04-24
8162305 Sheet processing system, sheet-supply control method, and computer program product Hitoshi Hattori, Masahiro Tamura, Kazuhiro Kobayashi, Tomohiro Furuhashi, Hiroshi Maeda +5 more 2012-04-24
8002274 Sheet stacking device, drive control method, and computer program product Takashi Saito, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Naohiro Kikkawa +7 more 2011-08-23
7950641 Sheet creaser, sheet conveyer, sheet finisher, and image forming apparatus Naohiro Kikkawa, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +8 more 2011-05-31
7905473 Sheet creaser including a cam guided pressing unit Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Naohiro Kikkawa, Kazuhiro Kobayashi +8 more 2011-03-15
7802789 Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit Junichi Tokita, Masahiro Tamura, Nobuyoshi Suzuki, Makoto Hidaka, Takashi Saito +8 more 2010-09-28
7798950 Sheet finisher, image forming apparatus, and sheet processing method Kazuhiro Kobayashi, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Naohiro Kikkawa +8 more 2010-09-21
6144574 Associative memory with a shortest mask output function and search method Masayoshi Kobayashi, Tutomu Murase, Naoyuki Ogura 2000-11-07
5376176 Silicon oxide film growing apparatus 1994-12-27