Inventor
SHIBATA TOMOAKI
JP62 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTEL KK
24 patentsUSD562895SFeb 26, 2008
Ballpoint pen
PENTEL KK48 citations96
USD710447SAug 5, 2014
Ballpoint pen
PENTEL KK17 citations93
USD629461SDec 21, 2010
Ballpoint pen
PENTEL KK19 citations93
USD620524SJul 27, 2010
Ballpoint pen
PENTEL KK25 citations93
USD608392SJan 19, 2010
Ballpoint pen
PENTEL KK22 citations93
USD510599SOct 11, 2005
Cap for writing instrument
PENTEL KK22 citations93
USD499137SNov 30, 2004
Marking pen
PENTEL KK33 citations93
USD641971SJul 26, 2011
Lead case
PENTEL KK15 citations84
USD569436SMay 20, 2008
Cap for a writing instrument
PENTEL KK14 citations84
USD535698SJan 23, 2007
Cap for writing instrument
PENTEL KK15 citations84
USD542350SMay 8, 2007
Ballpoint pen
PENTEL KK6 citations74
USD522580SJun 6, 2006
Marking pen
PENTEL KK10 citations74
USD520059SMay 2, 2006
Mechanical pencil
PENTEL KK7 citations74
USD512099SNov 29, 2005
Mechanical pencil
PENTEL KK7 citations74
USD865869SNov 5, 2019
Marking pen
PENTEL KK2 citations73
USD839348SJan 29, 2019
Ballpoint pen
PENTEL KK3 citations73
USD507811SJul 26, 2005
Ball point pen
PENTEL KK11 citations73
USD504465SApr 26, 2005
Cap for a writing instrument
PENTEL KK11 citations73
USD1034808SJul 9, 2024
Ballpoint pen
PENTEL KK0 citations63
USD1034807SJul 9, 2024
Ballpoint pen
PENTEL KK0 citations63
USD768778SOct 11, 2016
Mechanical pencil
PENTEL KK2 citations63
USD713879SSep 23, 2014
Ballpoint pen
PENTEL KK3 citations63
USD902312SNov 17, 2020
Cap for pen
PENTEL KK0 citations52
USD876540SFeb 25, 2020
Marking pen
PENTEL KK0 citations52
HITACHI CHEMICAL CO LTD
8 patentsUS8351752B2Jan 8, 2013
Flexible optical waveguide, method for manufacturing such flexible optical waveguide, and optical module
HITACHI CHEMICAL CO LTD13 citations84
US7751678B2Jul 6, 2010
Resin composition for optical material, resin film for optical material and optical waveguide using same
HITACHI CHEMICAL CO LTD9 citations84
US11330721B2May 10, 2022
Resin film, and laminated film including base material film, resin film formed on base material film, and protective film attached to resin film
HITACHI CHEMICAL CO LTD1 citations71
US11147166B2Oct 12, 2021
Method for producing semiconductor device
HITACHI CHEMICAL CO LTD1 citations71
US10674612B2Jun 2, 2020
Semiconductor device and manufacturing method therefor, and resin composition for forming flexible resin layer
HITACHI CHEMICAL CO LTD3 citations71
US7949220B2May 24, 2011
Hybrid optical/electrical mixed circuit board
HITACHI CHEMICAL CO LTD3 citations63
US7660503B2Feb 9, 2010
Flexible optical waveguide and optical module
HITACHI CHEMICAL CO LTD2 citations63
US7606493B2Oct 20, 2009
Optical waveguide and optical multiplexer-demultiplexer
HITACHI CHEMICAL CO LTD0 citations52
SHIBATA TOMOAKI
7 patentsUSD652080SJan 10, 2012
Mechanical pencil
SHIBATA TOMOAKI21 citations92
USD648789SNov 15, 2011
Ballpoint pen
SHIBATA TOMOAKI29 citations92
USD686280SJul 16, 2013
Marking pen
SHIBATA TOMOAKI2 citations62
US8244080B2Aug 14, 2012
Method for producing photoelectric composite substrate, photoelectric composite substrate produced by the method, and photoelectric composite module using the substrate
SHIBATA TOMOAKI2 citations62
US8200059B2Jun 12, 2012
Adhesive composition for optical waveguide, adhesive film for optical waveguide and adhesive sheet for optical waveguide each using the same, and optical device using any of them
SHIBATA TOMOAKI2 citations60
USD687098SJul 30, 2013
Marking pen
SHIBATA TOMOAKI1 citations52
US8326110B2Dec 4, 2012
Flexible optical waveguide having a cladding layer composed of a resin for forming a cladding layer and a base material film
SHIBATA TOMOAKI1 citations51
KURODA TOSHIHIRO
2 patentsBROTHER IND LTD
1 patentPENTEL KABUSKIKI KAISHA
1 patentPENTEL KABUSHIKI KAKSHA
1 patentHITACHI LTD
1 patentMASUDA HIROSHI
1 patentNAKATA HIROSHI
1 patentJFE STEEL CORP
1 patentSHOWA DENKO MATERIALS CO LTD
1 patentYAMAGUCHI MASATOSHI
1 patentShowing the top 50 of 62 patents by PatentIndex Score.