Inventor

Toshiaki Tsuda

Inventor
Shizuoka, JP

Overview

34→
Patents
1999–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 34 as inventor

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

F21Sprimary
F21SNon-portable lighting devices17%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general10%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems10%
F21VFunctional features or details of lighting devices or systems thereof9%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted9%
H01JElectric discharge tubes or discharge lamps9%
G02BOptical elements, systems or apparatus8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
F21KNon-electric light sources using luminescence2%
PatentTitleYear
10,996,620Process cartridge and image forming apparatus202110,948,872Process cartridge and image forming apparatus having an electrical contact portion mounted on a projection and electrically connected to a storing portion202110,874,009Load driving apparatus202010,741,083Road surface image-drawing system for vehicle202010,684,004Lamp unit202010,576,873Vehicle lamp and vehicle lamp control system202010,551,020Vehicle lamp with acousto-optic device202010,457,193Vehicle lamp and vehicle lamp control system201910,317,031Vehicle lamp201910,247,381Automotive lamp201910,215,355Automotive lamp201910,184,652Light source module with recessed temperature sensor and fan201910,134,283Road surface image-drawing system for vehicle201810,072,807Vehicular headlamp20189,976,721Light source module20189,970,619Vehicle lamp20189,933,129Light source module20189,616,750'Vehicle display system'20179,500,338'Vehicle lamp'20168,773,008'Discharge lamp bulb having metal band supported by support portion'20148,350,478'Vehicle discharge lamp'20138,049,422'Electric discharge lamp having ceramic luminous tube'20117,977,886'Mercury-free discharge bulb'20117,973,479'Discharge lamp'20117,476,005'Vehicle headlamp'20097,362,939'Optical fiber for long period grating, long period grating component and manufacturing method of the same'20087,230,383'Automotive discharge bulb and automotive headlamp'20076,894,429'Discharge lamp device'20056,710,521'Discharge bulb with infrared transmitting film'20046,542,666'Optical component'20036,532,107'Optical amplifier, light source module and optical system'20036,289,154'Grating-type optical component and method of manufacturing the same'20016,210,028'Vehicular headlamp having synthetic resin lens with reduced discoloration and cracking from ultraviolet radiation'20016,009,221'Dispersion slope compensating optical fiber'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2008Patents assigned to FURUKAWA ELECTRIC CO LTD (5)· patent assignee history
2001–2020Patents assigned to KOITO MFG CO LTD (25)· patent assignee history
2001–2020Based in Shizuoka, JP· patent location history
2001–2008Based in Tokyo, JP· patent location history
2003Based in Chiyoda-ku, JP· patent location history
2013–2014Patents assigned to TSUDA TOSHIAKI (2)· patent assignee history
2014Patents assigned to FUKAI KUNIO (1)· patent assignee history
2016Based in Shizouka, JP· patent location history
2021Patents assigned to CANON KK (2)· patent assignee history
2021Based in Susono, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOITO MFG CO LTD252001–2020
FURUKAWA ELECTRIC CO LTD51999–2008
CANON KK22021
TSUDA TOSHIAKIself22013–2014
FUKAI KUNIO12014
Locations
LocationPatentsSpan
Shizuoka, JP262001–2020
Tokyo, JP32001–2008
Susono, JP22021
Shizouka, JP12016
Chiyoda-ku, JP12003