MY

Makoto Yamamoto

YO Yozan: 121 patents #1 of 43Top 3%
Sharp Kabushiki Kaisha: 55 patents #140 of 10,731Top 2%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
MC Murata Manufacturing Co.: 13 patents #576 of 5,295Top 15%
SE Sega Enterprises: 10 patents #15 of 515Top 3%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
NN Ntt Mobile Communications Network: 7 patents #30 of 253Top 15%
EZ Ezel: 7 patents #2 of 24Top 9%
MK Murata Kikai: 7 patents #43 of 454Top 10%
NC Nippon Zeon Co.: 6 patents #61 of 609Top 15%
Bridgestone: 6 patents #390 of 2,860Top 15%
NC Nippon Conlux Co.: 6 patents #30 of 105Top 30%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Kyocera: 4 patents #773 of 3,732Top 25%
MM Murata Machinery: 3 patents #89 of 397Top 25%
KE Kokusai Electric: 3 patents #177 of 583Top 35%
SH Shofu: 3 patents #46 of 145Top 35%
Samsung: 3 patents #30,683 of 75,807Top 45%
VJ Victor Company Of Japan: 3 patents #389 of 1,489Top 30%
NT National Institute Of Advanced Industrial Science And Technology: 2 patents #697 of 3,134Top 25%
ML Mitsubishi Electric Engineering Company, Limited: 2 patents #81 of 352Top 25%
NC National Starch & Chemical: 2 patents #70 of 195Top 40%
TC Toko Co.: 2 patents #55 of 196Top 30%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
SC Sanken Electric Co.: 2 patents #130 of 315Top 45%
SA Sanei: 1 patents #3 of 9Top 35%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
TA Taisei: 1 patents #56 of 224Top 25%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
IBM: 1 patents #44,794 of 70,183Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
DC Daifuku Co.: 1 patents #230 of 509Top 50%
MC Mayekawa Mfg. Co.: 1 patents #126 of 273Top 50%
KC Komatsu Machinery Corporation: 1 patents #3 of 9Top 35%
NA Nakamichi: 1 patents #26 of 56Top 50%
NC National Starch And Chemical Investment Holding Copporation: 1 patents #287 of 611Top 50%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
OL Origin Electric Company, Limited: 1 patents #42 of 128Top 35%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Yokohama, JP: #17 of 480 inventorsTop 4%
Overall (All Time): #1,913 of 4,157,543Top 1%
253
Patents All Time

Issued Patents All Time

Showing 251–253 of 253 patents

Patent #TitleCo-InventorsDate
4412097 Variable-directivity microphone device Yukinobu Ishigaki, Kaoru Totsuka, Naotaka Miyaji 1983-10-25
4399327 Variable directional microphone system Naotaka Miyaji, Yukinobu Ishigaki, Kaoru Totsuka 1983-08-16
4354059 Variable-directivity microphone device Yukinobu Ishigaki, Kaoru Totsuka, Naotaka Miyaji 1982-10-12