KT

Koji Tanaka

TA Takata: 51 patents #2 of 608Top 1%
MC Murata Manufacturing Co.: 25 patents #233 of 5,295Top 5%
Mitsubishi Electric: 18 patents #1,216 of 25,717Top 5%
DE Denso: 15 patents #687 of 11,792Top 6%
TC Tsubakimoto Chain: 15 patents #25 of 593Top 5%
TL Tokyo Electron Limited: 15 patents #423 of 5,567Top 8%
VJ Victor Company Of Japan: 12 patents #92 of 1,489Top 7%
JL Japan Exlan Company Limited: 11 patents #4 of 76Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
NK Nippon Kayaku: 10 patents #40 of 1,103Top 4%
HC Hisamitsu Pharmaceutical Co.: 7 patents #36 of 383Top 10%
TK Toyo Boseki Kabushiki Kaisha: 7 patents #64 of 1,085Top 6%
IL Isuzu Motors Limited: 6 patents #82 of 908Top 10%
MA Makita: 6 patents #211 of 770Top 30%
MU Mie University: 5 patents #6 of 161Top 4%
NC Nihon Nohyaku Co.: 4 patents #51 of 243Top 25%
KS Kobe Steel: 4 patents #205 of 2,031Top 15%
GC Gc: 4 patents #55 of 306Top 20%
KA Kao: 3 patents #1,053 of 3,221Top 35%
CC Cellspect Co.: 3 patents #4 of 11Top 40%
MC Matsumoto Yushi-Seiyaku Co.: 3 patents #14 of 113Top 15%
PL Pitney Pharmaceuticals Pty Limited: 3 patents #4 of 9Top 45%
TT The University Of Tokyo: 3 patents #321 of 2,633Top 15%
TO Tosoh: 3 patents #235 of 1,042Top 25%
AB Asm Ip Holding B.V.: 2 patents #310 of 620Top 50%
TC Toyo Soda Manufacturing Co.: 2 patents #85 of 272Top 35%
NC Nitto Boseki Co.: 2 patents #91 of 339Top 30%
AC Arisawa Mfg. Co.: 2 patents #22 of 105Top 25%
NI Ngk Insulators: 2 patents #947 of 2,083Top 50%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
Basf Se: 2 patents #5,851 of 13,826Top 45%
HG HGST: 2 patents #738 of 1,677Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
KS Kawai Gakki Seisakusho: 2 patents #77 of 198Top 40%
Nichia: 1 patents #1,005 of 1,531Top 70%
DA Denso Airs: 1 patents #9 of 13Top 70%
DP Daio Paper: 1 patents #126 of 258Top 50%
NC Nishikawa Rubber Co.: 1 patents #121 of 246Top 50%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
NC Nissin Manufacturing Co.: 1 patents #5 of 12Top 45%
Pioneer: 1 patents #1,107 of 1,730Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
SE Sensotech: 1 patents #19 of 59Top 35%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
SI Sumitomo Light Metal Industries: 1 patents #103 of 254Top 45%
TC Tachi-S Co.: 1 patents #194 of 398Top 50%
CK Ckd: 1 patents #167 of 332Top 55%
Tdk: 1 patents #2,493 of 3,796Top 70%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
YE Yaskawa Electric: 1 patents #31 of 101Top 35%
TC Toyobo Co.: 1 patents #227 of 498Top 50%
HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
AW Air Water: 1 patents #29 of 73Top 40%
HO Hokuetsu: 1 patents #7 of 9Top 80%
JG Jgc: 1 patents #137 of 393Top 35%
UA Uacj: 1 patents #113 of 238Top 50%
AS Agere Systems: 1 patents #984 of 1,849Top 55%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
LC Lattice Technology Co.: 1 patents #7 of 14Top 50%
GL Glory: 1 patents #217 of 385Top 60%
FU Fujikura: 1 patents #788 of 1,407Top 60%
MI Ministry Of International Trade & Industry: 1 patents #189 of 582Top 35%
DC Dowa Electronics Materials Co.: 1 patents #148 of 241Top 65%
DI Dic: 1 patents #467 of 844Top 60%
NU National University Corporation Tohoku University: 1 patents #86 of 170Top 55%
📍 Yokohama, OR: #1 of 7 inventorsTop 15%
Overall (All Time): #1,566 of 4,157,543Top 1%
277
Patents All Time

Issued Patents All Time

Showing 276–277 of 277 patents

Patent #TitleCo-InventorsDate
4240316 Keyboard type electronic musical instrument Yasuhiko Okuyama, Yoshiro Nakayama, Hiroshi Kato 1980-12-23
4216692 Keyboard type automatic accompanying system Yasuhiko Okuyama, Yoshiro Nakayama, Hiroshi Kato 1980-08-12