Inventor

Hirotomo Kawahara

Inventor
Tokyo, JP

Overview

10→
Patents
2018–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels22%
C23CCoating metallic material19%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form15%
G02BOptical elements, systems or apparatus15%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles7%
H01JElectric discharge tubes or discharge lamps7%
H05HPlasma technique7%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2019Patents assigned to ASAHI GLASS CO LTD (4)· patent assignee history
2018–2021Based in Tokyo, JP· patent location history
2018–2020Based in Chiyoda-ku, JP· patent location history
2019–2021Patents assigned to AGC INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGC INC72019–2021
ASAHI GLASS CO LTD42018–2019
Locations
LocationPatentsSpan
Tokyo, JP62018–2021
Chiyoda-ku, JP42018–2020