MN

Masayuki Negishi

NE Nec: 10 patents #1,345 of 14,502Top 10%
Overall (All Time): #524,996 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6487075 Dustproof structure of communication device, using air filter having distributed dust collecting efficiency and pressure loss 2002-11-26
6480381 Dustproof structure of communication device, using air filter having distributed dust collecting efficiency and pressure loss 2002-11-12
6474480 Mechanism for reducing vibratory motion applied to a rack-mounted card cage 2002-11-05
6455768 Waterproof construction of communication equipment 2002-09-24
6421238 Dustproof structure of communication device, using air filter having distributed dust collecting efficiency and pressure loss 2002-07-16
6310770 Dustproof structure of communication device, using air filter having distributed dust collecting efficiency and pressure loss 2001-10-30
6272013 Unit housing structure in electronic device 2001-08-07
6019327 Installation structure of outdoor communication drive 2000-02-01
5673886 Installation structure of outdoor communication device 1997-10-07
5556066 Installation structure of outdoor communication device 1996-09-17