Inventor

Toshiro Yamada

Inventor

Tokyo, JP

Overview

33→

Patents

1980–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 33 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds22%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%

H01PWaveguides6%

C23CCoating metallic material5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H01FMagnets5%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner5%

B21BRolling of metal3%

C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes3%

C21DModifying the physical structure of ferrous metals3%

PatentTitleYear

9,578,440'Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound'2017 7,704,893'Semiconductor device, method for manufacturing semiconductor device and gas for plasma CVD'2010 7,652,179'Gas for plasma reaction, process for producing the same, and use thereof'2010 7,524,978'2-oxabicyclo[3.3.0]octane compounds, process for producing the same, optical resolver, method of separating diastereomer mixture, and method of optically resolving alcohol'2009 7,449,415'Gas for plasma reaction and process for producing thereof'2008 7,341,764'Gas for plasma reaction, process for producing the same, and use'2008 6,884,365'Gas for plasma reaction and method for production thereof'2005 6,395,700'Process for the preparation of compounds having -CH2-CHF-groups'2002 6,383,403'Dry etching method'2002 6,322,715'Gas composition for dry etching and process of dry etching'2001 6,211,420'Process for the preparation of fluorinated olefin'2001 6,156,824'Lubricative polymer containing liquid and method of forming film of lubricative polymer'2000 5,847,243'Process for producing fluorinated alkene and fluorinated alkane'1998 5,677,268'Lubricant for use in hot rolling of high chromium stainless steel'1997 5,569,796'Process for producing fluorinated saturated hydrocarbon'1996 5,545,771'Process for preparation of gem-difluoroalkanes'1996 5,372,994'Fragrant composition'1994 5,302,764'Process for preparing trifluorohydrocarbon compound'1994 5,294,271'Heat treatment for manufacturing spring steel excellent in high-temperature relaxation resistance'1994 5,277,781'Zirconia oxygen sensor'1994 5,235,110'Fragrant composition'1993 5,110,218'Prediction method for formation of heat streak and thermal sensor roll therefor'1992 4,906,768'Process for production of oxime derivatives'1990 D0300149'Whiteboard and photocopier'1989 4,746,884'YIG thin film microwave apparatus'1988 4,745,380'YIG thin film microwave apparatus'1988 4,704,739'Receiving circuit for converting signals comprising at least two ferromagnetic resonators'1987 4,668,776'Protected des-N-methylerythromycin derivative'1987 4,642,795'Thermomagnetic recording system'1987 4,626,800'YIG thin film tuned MIC oscillator'1986 4,575,570'Process for producing alpha, beta-unsaturated ketones'1986 4,571,367'Hot-dip aluminum coated steel strip having excellent strength and oxidation resistance at elevated temperatures and process for production thereof'1986 4,228,473'Pick-up device for magnetically recorded information and method and system for using same'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1988Patents assigned to SONY CORP (6)· patent assignee history

1986–2002Patents assigned to NIPPON ZEON CO (14)· patent assignee history

1986–1997Patents assigned to NISSHIN STEEL CO LTD (5)· patent assignee history

1986–1996Based in Fujisawa, JP· patent location history

1986–1989Based in Kanagawa, JP· patent location history

1994–2001Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history

1994–1997Based in Kure, JP· patent location history

1996–2008Based in Kawasaki, JP· patent location history

2000–2010Based in Tokyo, JP· patent location history

2005–2010Patents assigned to ZEON CORP (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON ZEON CO	14	1986–2002
SONY CORP	6	1980–1988
ZEON CORP	6	2005–2010
NISSHIN STEEL CO LTD	5	1986–1997
AGENCY IND SCIENCE TECHN	2	1994–2001

Locations

Location	Patents	Span
Tokyo, JP	8	2000–2010
Fujisawa, JP	7	1986–1996
Kawasaki, JP	4	1996–2008
Kanagawa, JP	4	1986–1989
Kure, JP	2	1994–1997