P

Inventor

KOJIMA HIROKI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

5 patents
US12421156B2Sep 23, 2025

Method for manufacturing optical fiber glass preform

SHINETSU CHEMICAL CO0 citations50
US11878929B2Jan 23, 2024

Manufacturing apparatus and manufacturing method of porous glass base material

SHINETSU CHEMICAL CO0 citations50
US11378738B2Jul 5, 2022

Optical fiber

SHINETSU CHEMICAL CO0 citations50
US11518704B2Dec 6, 2022

Fabrication method for porous glass base material for optical fiber

SHINETSU CHEMICAL CO0 citations49
US10829405B2Nov 10, 2020

Method for producing porous glass deposit for optical fiber

SHINETSU CHEMICAL CO0 citations38

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents
US6728526B2Apr 27, 2004

Fractional-N frequency synthesizer with multiple clocks having different timings

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations83
US6900976B2May 31, 2005

Variable capacitor element and integrated circuit having variable capacitor element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61

NIHON PARKERIZING

1 patent
US6248181B1Jun 19, 2001

Composition and method for hydrophilic treatment of aluminum or aluminum alloy

NIHON PARKERIZING35 citations89

NIHON PAPKERIZING CO LTD

1 patent
US6306226B1Oct 23, 2001

Process for surface-treating an aluminum-containing metal

NIHON PAPKERIZING CO LTD28 citations86

DAIKIN IND LTD

1 patent
US12155212B2Nov 26, 2024

Power control system and device

DAIKIN IND LTD0 citations61

YAZAKI CORP

1 patent
US10166918B2Jan 1, 2019

Drive assisting apparatus

YAZAKI CORP0 citations40