Inventor

Naofumi Kobayashi

Inventor
Kawasaki, JP

Overview

27→
Patents
1990–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 27 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication38%
H04WWireless communication networks7%
D21FPaper-making machines4%
H01QAntennas, i.e. radio aerials4%
H04NPictorial communication, e.g. television4%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management4%
A61MDevices for introducing media into, or onto, the body2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
PatentTitleYear
11,001,966Measuring device, web processing device, fiber feedstock recycling device, and measuring method202110,954,631Web forming device, web processing device, fibrous feedstock recycling device, and web forming method202110,916,361Oxide superconductor and method for manufacturing the same20219,126,000'Artificial ventilation apparatus'20159,088,505'Communication control unit and communication control method applied for multi-cast-supporting LAN'20158,521,894'Communication control unit and communication control method applied for multi-cast-supporting LAN'20138,516,139'Communication control unit and communication control method applied for multicast-supporting LAN'20138,429,283'Communication control unit and communication control method applied for multi-cast supporting LAN'20138,370,512'Communication control unit and communication control method applied for multicast-supporting LAN'20138,364,834'Communication control unit and communication control method applied for multicast-supporting LAN'20138,185,657'Data generating device'20127,640,124'Delay failure test circuit'20097,627,690'Data generating device'20097,623,536'Network relaying method and device'20097,487,251'Communication control unit and communication control method applied for multicast-supporting LAN'20097,319,668'Network system capable of selecting optimal route according to type of transmitted data'20087,230,915'Upper and lower relays and network system'20077,212,510'Wireless LAN system and a transmitter-receiver in a wireless LAN system'20077,200,116'Communication device and method, and system'20076,977,896'IP communications network system and QoS guaranteeing apparatus'20056,898,641'Network routing system and routing apparatus'20056,567,851'Multicast-session-management device'20036,457,059'Method and apparatus for transmitting multicast data in a switched LAN environment'20026,359,873'Wireless LAN system and a transmitter-receiver in a wireless LAN system'20025,724,346'Means for maintaining connectable access points owing to movement of a mobile station between cells in a wireless LAN system'19985,187,849'Fixing roll for electrophotography having an outer fluoro-resin coating'19934,932,200'Rotary ring for spinning machinery'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to KANAI JUYO KOGYO KK (1)· patent assignee history
1993Based in Fuji, JP· patent location history
1998–2015Patents assigned to FUJITSU LTD (20)· patent assignee history
1998–2015Based in Kawasaki, JP· patent location history
2002–2021Based in Kanagawa, JP· patent location history
2009Patents assigned to FUJITSU MICROELECTRONICS LTD (1)· patent assignee history
2012–2015Patents assigned to KOBAYASHI NAOFUMI (7)· patent assignee history
2015Based in Tokyo, JP· patent location history
2021Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
2021Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD201998–2015
KOBAYASHI NAOFUMIself72012–2015
SEIKO EPSON CORP22021
FUJITSU MICROELECTRONICS LTD12009
KANAI JUYO KOGYO KK11990
Locations
LocationPatentsSpan
Kawasaki, JP191998–2015
Kanagawa, JP32002–2021
Nagano, JP22021
Tokyo, JP12015
Fuji, JP11993