Inventor

Akira Yanagisawa

Inventor

Saitama, JP

Overview

1984–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 as inventor

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

B22Fprimary

B22FWorking metallic powder7%

H01GCapacitors7%

Y10TTechnical subjects covered by former us classification7%

B23PMetal-working not otherwise provided for5%

B29CShaping or joining of plastics5%

C07CAcyclic or carbocyclic compounds5%

C07DHeterocyclic compounds5%

G02BOptical elements, systems or apparatus5%

H01JElectric discharge tubes or discharge lamps5%

LOC245%

PatentTitleYear

11,011,312Multilayer ceramic capacitor using molybdenum (Mo) ground layer and manufacturing method of the same2021 11,004,605Multilayer ceramic capacitor, circuit substrate and manufacturing method of the same2021 10,971,302Multilayer ceramic capacitor and manufacturing method of the same2021 8,331,337'Session management apparatus, communication system, and session clear-out method'2012 6,063,332'Heat resisting metal fiber sintered body'2000 D0399001'Adapter for hearing aid'1998 D0397796'Hearing aid'1998 5,437,832'Process for preparing a ceramic porous body'1995 5,228,370'Method of manufacturing molding material containing metal fibers and apparatus therefor'1993 5,196,959'Binocular with objective lens-barrels rotatable about the optical axes of the objectives'1993 5,071,242'Binocular with interocular adjustment while maintaining objective lenses spacing constant'1991 4,930,199'Method for manufacturing fiber from thin plate material'1990 4,886,903'Process for production of prostaglandins D2'1989 4,853,549'Electron beam drawing method'1989 4,668,472'Slide for chemical analysis'1987 4,578,482'Process for preparing prostacyclins'1986 4,561,235'Apparatus for and method of processing and packaging photographic film'1985 4,531,705'Composite and durable forming model with permeability'1985 4,445,040'Shaping aperture for a charged particle forming system'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1989Patents assigned to HITACHI LTD (2)· patent assignee history

1984–1989Based in Ome, JP· patent location history

1985–2000Patents assigned to SINTOKOGIO LTD (3)· patent assignee history

1985–1993Based in Miyashiro, JP· patent location history

1990–2000Based in Saitama, JP· patent location history

1991–1993Patents assigned to ASAHI OPTICAL CO LTD (2)· patent assignee history

1991–2012Based in Tokyo, JP· patent location history

1998Patents assigned to CITIZEN WATCH CO LTD (2)· patent assignee history

2021Patents assigned to TAIYO YUDEN KK (3)· patent assignee history

2021Based in Takasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SINTOKOGIO LTD	3	1985–2000
TAIYO YUDEN KK	3	2021
ASAHI OPTICAL CO LTD	2	1991–1993
CITIZEN WATCH CO LTD	2	1998
HITACHI LTD	2	1984–1989

Locations

Location	Patents	Span
Saitama, JP	4	1990–2000
Takasaki, JP	3	2021
Tokyo, JP	3	1991–2012
Miyashiro, JP	2	1985–1993
Ome, JP	2	1984–1989