YK

Yuji Kurokawa

Brother Kogyo: 5 patents #1,308 of 2,767Top 50%
DC Dainippon Screen Mfg. Co.: 3 patents #254 of 977Top 30%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
SC Screen Holdings Co.: 3 patents #247 of 686Top 40%
TC Takiron Co.: 1 patents #20 of 69Top 30%
DC Dai-Ichi High Frequency Co.: 1 patents #21 of 58Top 40%
HC Hitachi Software Engineering Co.: 1 patents #175 of 502Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #315,555 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11761582 Pressure regulation system and method for a fluidic product having particles Toshiya Matsumoto, Kenji YATABE, Isamu UMEDA 2023-09-19
11441449 Heat retention device for turbine casing, securing tool for securing heat retention block for turbine casing, and method for securing heat retention block for turbine casing Hyota Abe, Takuya Izumi, Takeshi Nakao, Keisuke IDE, Osamu Koga 2022-09-13
9623685 Inspecting chart and printing apparatus Takaharu Yamamoto, Kazuyuki Tanoue, Hiroaki Kishida, Kunio Muraji 2017-04-18
9370937 Inspecting chart and printing apparatus Takaharu Yamamoto, Kazuyuki Tanoue, Hiroaki Kishida, Kunio Muraji 2016-06-21
9365047 Inkjet printing apparatus and printing method of inspecting chart therewith Atsushi Imamura 2016-06-14
8111428 Halftone image generation method, threshold matrix generation method, threshold matrix, printing plate manufacturing method, and printing plate Hiroshi Asai, Masaru Wakui 2012-02-07
7868908 Image recording apparatus having a laser source Hiroshi Okamoto, Hiroyuki Fujisawa, Keisuke Hirayama, Hitoshi Shioda 2011-01-11
7659525 Apparatus for and method of recording image Hideaki Ogawa, Hiroshi Okamoto, Keisuke Hirayama, Hiroyuki Fujisawa, Ichiro Watanabe 2010-02-09
7645058 Light diffusing sheet and backlight unit using the light diffusing sheet Yutaka Omura 2010-01-12
7297908 Removing method of tube Hirotaka Yoshida, Michio Sato 2007-11-20
5471536 Figure digitizing system 1995-11-28
5261823 Electronic learning machine which is capable of giving learning problems matching the student's scholastic ability 1993-11-16
4849908 Word processor with a ruled line display function Hiroyuki Kikukawa, Hiroshi Shimizu, Tsutomu Inagi 1989-07-18
4804280 Printer including apparatus for controlling underscore position relative to characters Masataka Yoshikawa, Takao Kato, Hiroyuki Kikukawa, Yukiyoshi Muto 1989-02-14
4571100 Electronic typewriter Hideo Ueno 1986-02-18