Inventor

Kishio Sugawara

Inventor
Hamura, JP

Overview

12→
Patents
1988–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes57%
Y02PClimate change mitigation technologies in the production or processing of goods33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2006Patents assigned to HOYA CORP (11)· patent assignee history
1988Patents assigned to HIROTA SHINICHIRO (1)· patent assignee history
1988Patents assigned to IZUMITANI TETSURO (1)· patent assignee history
1988Patents assigned to MEISSNER HELMUTH E (1)· patent assignee history
1988Patents assigned to SUGAWARA KISHIO (1)· patent assignee history
1988–2002Based in Tokyo, JP· patent location history
1988Based in Nishitama-gun, JP· patent location history
1989–2006Based in Hamura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOYA CORP111988–2006
HIROTA SHINICHIRO11988
IZUMITANI TETSURO11988
MEISSNER HELMUTH E11988
SUGAWARA KISHIOself11988
Locations
LocationPatentsSpan
Hamura, JP61989–2006
Tokyo, JP51988–2002
Nishitama-gun, JP11988