Inventor

Takayuki Kawamura

Inventor
Mie, JP

Overview

35→
Patents
1981–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 35 as inventor

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

C10Mprimary
C10MLubricating compositions22%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions20%
F16CShafts18%
F21SNon-portable lighting devices6%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general4%
F16DCouplings for transmitting rotation4%
B41JTypewriters3%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
F21VFunctional features or details of lighting devices or systems thereof2%
PatentTitleYear
10,597,598Grease composition and grease-sealed roller bearing202010,465,140Grease composition20199,796,944'Grease composition, grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing'20179,765,821'Rolling bearing'20179,394,500'Grease composition, grease-enclosed bearing, and one-way clutch'20169,217,471'Lubricant composition and bearing using same'20159,150,809'Thickener, grease, method for producing the same, and grease-packed bearing'20159,139,793'Grease composition, grease-packed bearing, universal joint and linear motion device'20158,946,134'Grease composition, grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing'20158,673,829'Grease composition and grease composition-enclosed rolling bearing and universal joint'20148,632,233'Vehicle lighting device with heat sink member and shade'20148,629,090'Rust resisting grease composition, grease-enclosed bearing, and rust resisting agent for use in grease composition'20148,622,785'Method of making antireflective roughened surface and lens barrel with roughened surface made by the method'20148,609,598'Grease composition having a base oil, a thickener and an additive including a metal salt of dibasic acid'20138,414,171'Vehicle lighting device'20138,329,623'Grease composition and grease-sealed bearing'20128,280,421'Terminal device and base station device'20128,188,016'Lubricant composition and bearing using same'20128,058,216'Grease composition and grease-enclosed rolling bearing'20118,048,835'Grease composition and grease-enclosed bearing'20117,980,732'Projector type lamp'20117,910,525'Grease composition, grease-enclosed bearing, and rotation-transmitting apparatus with built-in one way clutch'20117,379,253'Image pickup apparatus'20087,053,028'Grease and grease sealed bearing'20066,605,574'Grease sealed bearing for automobile'20036,565,246'Vehicular headlamp and vehicle provided with same'20036,533,443'Head lamp for automobile'20036,517,250'Rolling bearing'20036,447,153'Headlamp for vehicle'20026,252,683'Video printer'20015,839,838'Image printer'19985,584,587'Ribbon cassette and video printer for use therewith'19964,982,077'Recording format for optical recording medium'19914,569,964'Heat/light stable interpenetrating polymer network latexes'19864,265,977'Paper coating composition of unsaturated acid and mono-olefin polymerized in the presence of a preformed styrene/butadiene latex'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2013Based in Tokyo, JP· patent location history
1996–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1996–2001Based in Kadoma, JP· patent location history
2002–2014Patents assigned to ICHIKOH INDUSTRIES LTD (6)· patent assignee history
2002–2014Based in Isehara, JP· patent location history
2003–2020Patents assigned to NTN TOYO BEARING CO LTD (19)· patent assignee history
2003–2020Based in Mie, JP· patent location history
2006–2016Based in Kuwana, JP· patent location history
2011–2016Patents assigned to KAWAMURA TAKAYUKI (15)· patent assignee history
2013–2016Patents assigned to MIKAMI HIDENOBU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NTN TOYO BEARING CO LTD192003–2020
KAWAMURA TAKAYUKIself152011–2016
ICHIKOH INDUSTRIES LTD62002–2014
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41996–2008
MIKAMI HIDENOBU32013–2016
Locations
LocationPatentsSpan
Mie, JP112003–2020
Kuwana, JP92006–2016
Isehara, JP52002–2014
Tokyo, JP31986–2013
Kadoma, JP31996–2001