Inventor

Kozo Yamamoto

Inventor

Daito, JP

Overview

44→

Patents

1977–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 44 as inventor

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

F16Fprimary

F16FSprings38%

F16HGearing19%

Y10TTechnical subjects covered by former us classification14%

F16DCouplings for transmitting rotation7%

F16CShafts4%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for1%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation1%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations1%

PatentTitleYear

10,697,533Power transmission system2020 10,393,253Transmission case2019 10,352,431Transmission case2019 10,215,279Automatic transmission2019 9,851,001Drive unit for vehicles2017 9,845,869Vehicle drive apparatus2017 9,441,719'Lock-up device for torque converter'2016 9,404,563'Power transmitting system of a vehicle'2016 9,249,871'Lock-up device for torque converter'2016 8,840,481'Power transmission part, damper mechanism, and flywheel assembly'2014 8,568,243'Flywheel assembly'2013 8,376,864'Damper mechanism'2013 7,445,552'Dual-mass flywheel'2008 7,438,166'Flywheel assembly'2008 7,172,509'Damper mechanism and damper disk assembly'2007 6,782,983'Fluid torque transmission device equipped with lockup device'2004 6,488,139'Damper mechanism'2002 6,301,995'Flywheel assembly and a torque converter'2001 6,283,262'Flywheel assembly and a torque converter'2001 6,119,549'Flywheel assembly and a torque converter'2000 6,068,098'Dynamic damper and coupling mechanism'2000 6,044,727'Flywheel assembly'2000 6,033,693'Calcium product and a raw material for the product and processes for their preparation'2000 6,012,559'Coupling mechanism'2000 5,992,593'Flywheel assembly'1999 5,979,623'Dynamic damper and coupling mechanism'1999 5,967,278'Dynamic damper and flywheel assembly'1999 5,810,129'Rotary damper'1998 5,803,441'Damper mechanism with undulated ribbon-like spring having means for restricting radial movement of the spring'1998 5,730,656'Viscous resistance generation mechanism'1998 5,687,618'Flywheel assembly'1997 5,595,539'Viscous vibration damping mechanism with variable fluid flow resistance'1997 5,582,076'Flywheel assembly with vibration dampening mechanism'1996 5,569,087'Torsional vibration dampening device having multiple slider mechanisms to provide multiple dampening force levels'1996 5,511,446'Flywheel assembly'1996 5,423,649'Apparatus for cutting and removing package material'1995 5,401,106'Bearing assembly with inner race bearing support means'1995 5,355,747'Flywheel assembly'1994 5,353,664'Torsional vibration damping device'1994 5,137,407'Head drive for threaded fastener'1992 D0317862'Bolt'1991 4,006,764'Protection case for tape-recorder or radio-set'1977 4,006,660'Fastener element'1977 4,001,893'Portable tape-recorder'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1992Based in Tokyo, JP· patent location history

1992–2016Patents assigned to YAMAMOTO KOZO (5)· patent assignee history

1994–1996Patents assigned to DAIKIN MFG CO LTD (6)· patent assignee history

1994–2016Based in Neyagawa, JP· patent location history

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

1997–2016Patents assigned to EXEDY CORP (22)· patent assignee history

1997–1998Based in Daitou, JP· patent location history

2016–2020Patents assigned to TOYOTA MOTOR CO LTD (7)· patent assignee history

2016–2020Based in Nagoya, JP· patent location history

2017–2020Patents assigned to AISIN AW CO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXEDY CORP	22	1997–2016
TOYOTA MOTOR CO LTD	7	2016–2020
DAIKIN MFG CO LTD	6	1994–1996
AISIN AW CO	5	2017–2020
YAMAMOTO KOZOself	5	1992–2016

Locations

Location	Patents	Span
Daito, JP	14	1996–2008
Neyagawa, JP	12	1994–2016
Nagoya, JP	6	2016–2020
Tokyo, JP	3	1977–1992
Daitou, JP	2	1997–1998