Koji Yamashita

Mitsubishi Electric: 114 patents #11 of 25,717Top 1%

KC Kobelco Construction Machinery Co.: 25 patents #6 of 422Top 2%

TL Tokyo Electron Limited: 11 patents #663 of 5,567Top 15%

PA Panasonic: 8 patents #3,315 of 21,108Top 20%

NE Nec: 7 patents #2,006 of 14,502Top 15%

DE Denso: 7 patents #1,924 of 11,792Top 20%

KS Komatsu Shisakusho: 7 patents #36 of 885Top 5%

KS Kobe Steel: 6 patents #242 of 1,773Top 15%

AN Anritsu: 4 patents #92 of 633Top 15%

NI Nitta: 4 patents #29 of 237Top 15%

NC Nippon Electric Co.: 4 patents #30 of 792Top 4%

YC Yuyama Mfg. Co.: 4 patents #45 of 147Top 35%

KO Komatsu: 3 patents #609 of 2,087Top 30%

Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%

NC Nkk Co.: 3 patents #209 of 1,173Top 20%

SE Sega Enterprises: 2 patents #47 of 368Top 15%

DC Dainippon Screen Mfg. Co.: 2 patents #346 of 977Top 40%

HC Hirakawa Kogyo Sha Co.: 2 patents #2 of 2Top 100%

JS Jfe Steel: 2 patents #578 of 1,401Top 45%

Kyocera: 2 patents #1,365 of 3,732Top 40%

SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%

SS Sumitomo Wiring Systems: 2 patents #1,192 of 2,615Top 50%

YA Yazaki: 2 patents #1,574 of 3,427Top 50%

ML Mitsubishi Paper Mills Limited: 1 patents #256 of 458Top 60%

ME Mistubishi Electric: 1 patents #1 of 47Top 3%

SC Senju Metal Industry Co.: 1 patents #203 of 349Top 60%

SC Sk-Electronics Co.: 1 patents #3 of 8Top 40%

JP Japan Polypropylene: 1 patents #56 of 95Top 60%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%

TE Tel Epion: 1 patents #37 of 54Top 70%

JP Jp Steel Plantech: 1 patents #11 of 40Top 30%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

NT National Institute Of Information And Communications Technology: 1 patents #228 of 517Top 45%

MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%

MC Mitsumi Electric Co.: 1 patents #527 of 935Top 60%

📍 Hiroshima, MA: #1 of 3 inventorsTop 35%

Overall (All Time): #2,488 of 4,157,543Top 1%

228

Patents All Time

Issued Patents All Time

Showing 226–228 of 228 patents

Patent #	Title	Co-Inventors	Date
4377003	Testing device for electronic circuits and especially for portable radios	Hideaki Abe	1983-03-15
4364051	Mobile antenna mounting assembly with resilient locking means	—	1982-12-14
4299344	Mount for portable radio communication unit	Takashi Oyamada	1981-11-10