P

Inventor

OKA YOSHIO

JP44 patents
⚠️ This page may combine multiple inventors who share the name “OKA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

24 patents
US5830603ANov 3, 1998

Separator film for a storage battery

SUMITOMO ELECTRIC INDUSTRIES84 citations96
US10237976B2Mar 19, 2019

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES3 citations72
US10292265B2May 14, 2019

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES5 citations71
US10143083B2Nov 27, 2018

Substrate for printed circuit board and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES2 citations71
US10076028B2Sep 11, 2018

Substrate for printed circuit board, printed circuit board, and method for producing printed circuit board

SUMITOMO ELECTRIC INDUSTRIES2 citations71
US11950365B2Apr 2, 2024

Flexible printed circuit board and method of manufacturing same

SUMITOMO ELECTRIC INDUSTRIES0 citations61
US10225931B2Mar 5, 2019

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES1 citations61
US12538432B2Jan 27, 2026

Printed wiring board

SUMITOMO ELECTRIC INDUSTRIES0 citations60
US12177977B2Dec 24, 2024

Flexible printed circuit board and method of manufacturing flexible printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11696401B2Jul 4, 2023

Flexible printed circuit board and method of manufacturing flexible printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11051399B2Jun 29, 2021

Flexible printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11013113B2May 18, 2021

Base material for printed circuit board and printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations60
US10610928B2Apr 7, 2020

Powder for conductive material, ink for conductive material, conductive paste, and method for producing powder for conductive material

SUMITOMO ELECTRIC INDUSTRIES1 citations60
US10889086B2Jan 12, 2021

Resin film, substrate for printed wiring board, and printed wiring board

SUMITOMO ELECTRIC INDUSTRIES0 citations59
US10842027B2Nov 17, 2020

Base material for printed circuit board and printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10307825B2Jun 4, 2019

Metal powder, ink, sintered body, substrate for printed circuit board, and method for manufacturing metal powder

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10244627B2Mar 26, 2019

Substrate for printed wiring board and method for producing the same, printed wiring board and method for producing the same, and resin base material

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US9967976B2May 8, 2018

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US11343918B2May 24, 2022

Method of making printed circuit board and laminated structure

SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10796812B2Oct 6, 2020

Coating liquid for forming conductive layer, method for producing conductive layer, and conductive layer

SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10076032B2Sep 11, 2018

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations50
US11375615B2Jun 28, 2022

Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations48
US10596782B2Mar 24, 2020

Substrate for printed circuit board and printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations40
US10709016B2Jul 7, 2020

Flexible printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations39

HONDA MOTOR CO LTD

4 patents

NIPPON DENSO CO

4 patents

OKA YOSHIO

4 patents

SUMITOMO ELECTRIC PRINTED CIRCUITS INC

3 patents

HONDA GIKEN KOGYO KABSUHIKI

1 patent

SANYO ELECTRIC CO

1 patent

HAYASHI NORIKI

1 patent

AUTONETWORKS TECHNOLOGIES LTD

1 patent

HIBASAMI HIROSHIGE

1 patent