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Inventor

Hirokazu Sugiyama

Inventor
Tokyo, JP

Overview

24→
Patents
1979–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 24 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals14%
C22CAlloys14%
G06FElectric digital data processing8%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%
H04LTransmission of digital information, e.g. telegraphic communication6%
B22DCasting of metals5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
E04CStructural elements5%
H04MTelephonic communication5%
H04WWireless communication networks5%
PatentTitleYear
10,616,394Cordless telephone, base unit, and repeater202010,280,476H-section steel and method of producing the same201910,149,297Communication device201810,060,002H-section steel and method of producing the same20189,863,022'High-strength ultra-thick H-beam steel'20189,834,931H-section steel and method of producing the same20179,781,647'Communication system for transferring data between DECT terminal and wide area wireless base station'20179,760,127'Information processing apparatus'20179,482,005'H-Section steel'20169,082,866'Semiconductor storage device and method of manufacturing the same'20159,037,687'Information processing apparatus, method and program for writing file system metadata of plural operating systems'20159,023,158'Steel material superior in high temperature characteristics and toughness and method of production of same'20158,954,720'IC chip, information processing apparatus, software module control method, information processing system, information processing method, and program'20158,650,387'IC chip, information processing apparatus, software module control method, information processing system, information processing method, and program'20148,489,879'Apparatus, method, program, and system for information processing'20138,303,734'High strength thick steel material and high strength giant H-shape excellent in toughness and weldability and methods of production of same'20128,181,023'Information processing device and information processing system'20128,097,096'Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same'20127,328,178'Content billing method, and content billing system and content billing apparatus using the content billing method'20086,610,187'Dip type surface treatment apparatus and dip type surface treatment method'20036,364,967'High-strength, high-toughness rolled shape steel and method of producing the same'20026,139,708'Dip surface-treatment system and method of dip surface-treatment using same'20006,090,253'Electrodeposition method'20004,139,973'Assembly of a glass sheet and a sash'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2015Based in Kanagawa, JP· patent location history
2002–2012Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
2002Based in Sakai, JP· patent location history
2008–2019Based in Tokyo, JP· patent location history
2012–2015Patents assigned to SUGIYAMA HIROKAZU (8)· patent assignee history
2013–2015Patents assigned to SONY CORP (4)· patent assignee history
2015–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (6)· patent assignee history
2015Based in Mie-gun, JP· patent location history
2017–2020Patents assigned to PANASONIC IP MAN CO LTD (4)· patent assignee history
2017–2020Based in Fukuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUGIYAMA HIROKAZUself82012–2015
NIPPON STEEL & SUMITOMO METAL CORP62015–2019
PANASONIC IP MAN CO LTD42017–2020
SONY CORP42013–2015
NIPPON STEEL CORP32002–2012
Locations
LocationPatentsSpan
Tokyo, JP92008–2019
Kanagawa, JP72000–2015
Fukuoka, JP42017–2020
Mie-gun, JP12015
Sakai, JP12002