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Inventor

Hironobu Kawai

Inventor
Sagamihara, JP

Overview

5→
Patents
1989–1994
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems43%
H02NElectric machines not otherwise provided for29%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
5,302,837'Photoelectric smoke detector with expanded visual field'19945,162,708'Method and device for driving a supersonic motor'19925,055,750'Air damper operating system of vehicle air conditioners'19914,897,634'Scattered-light smoke detector with a shielding structure of detector circuits'19904,851,819'Photoelectric smoke detector with permanently fixed insect net'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to HOCHIKI CO (3)· patent assignee history
1989–1990Based in Sagamihara, JP· patent location history
1991–1992Patents assigned to ASMO CO LTD (2)· patent assignee history
1991Based in Aichi, JP· patent location history
1992Based in Toyohashi, JP· patent location history
1994Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOCHIKI CO31989–1994
ASMO CO LTD21991–1992
Locations
LocationPatentsSpan
Sagamihara, JP21989–1990
Kanagawa, JP11994
Toyohashi, JP11992
Aichi, JP11991