TY

Takeshi Yamakawa

Ricoh Company: 35 patents #475 of 9,818Top 5%
OE Omron Tateisi Electronics: 13 patents #4 of 599Top 1%
TO Toyota: 12 patents #2,357 of 26,838Top 9%
TO Toto: 9 patents #111 of 1,113Top 10%
DI Daikin Industries: 2 patents #1,262 of 2,957Top 45%
PE Pacific Engineering: 2 patents #16 of 59Top 30%
RJ Research Development Corporation Of Japan: 2 patents #79 of 402Top 20%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
KT Kyushu Institute Of Technology: 1 patents #75 of 237Top 35%
MH Mitsui High-Tec: 1 patents #93 of 174Top 55%
Overall (All Time): #24,389 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 51–75 of 77 patents

Patent #TitleCo-InventorsDate
6236418 Image forming apparatus and method to correct magnification error caused by optical characteristics of image writing device 2001-05-22
6144764 Method and apparatus for on-line handwritten input character recognition and recording medium for executing the method Toyoshi Odahara, Naohiro Inagawa 2000-11-07
6072516 Image forming method and apparatus with multi-beam light source capable of changing a writing density 2000-06-06
5803622 Image forming device having convenient access to serviceable components Takashi Mama 1998-09-08
5610651 Image forming apparatus with frequency corrector Takashi Mama, Kenichi Ono, Norio Michiie 1997-03-11
5598279 Document circulating apparatus with automatic deletion of data Rie Ishii, Masayuki Hayashi, Hiroyuki Takahashi 1997-01-28
5587813 Data transfer device for an image forming apparatus Shuichi Yamazaki, Takashi Mama, Nobuyuki Sato, Shinji Kobayashi, Yoshio Kaneko +1 more 1996-12-24
5506795 Apparatus and method for generating chaotic signals and chaos device 1996-04-09
5382129 Sheet feed device for an image forming apparatus Tomohito Shimizu, Hiroshi Mori, Yoshinobu Kagami, Susumu Shiina, Keisuke Hayashi 1995-01-17
5347615 Rule generating and verifying apparatus for fuzzy control using temporary exclusion of a selected rule Tsutomu Ishida 1994-09-13
5341323 Fuzzy membership function circuit 1994-08-23
5295226 Fuzzy computer 1994-03-15
5239620 Rule generating and verifying apparatus for fuzzy control Tsutomu Ishida 1993-08-24
5227993 Multivalued ALU 1993-07-13
5189728 Rule generating and verifying apparatus for fuzzy control Tsutomu Ishida 1993-02-23
5167005 Fuzzy computer 1992-11-24
5113366 Fuzzy membership function circuit 1992-05-12
5019867 Image forming apparatus having a removable processing unit Misao Tanzawa 1991-05-28
5017817 Basic circuitry particularly for construction of multivalued logic systems 1991-05-21
4996561 Image forming apparatus with a document image edition function Tsuyoshi Yoshimura 1991-02-26
4914614 Multivalued ALU 1990-04-03
4875184 Fuzzy logic computers and circuits 1989-10-17
4860243 Fuzzy logic semifinished integrated circuit Fumio Ueno, Yuji Shirai 1989-08-22
4837725 Fuzzy membership function circuit 1989-06-06
4814644 Basic circuitry particularly for construction of multivalued logic systems 1989-03-21