Inventor

Isao Hashiba

Inventor

Funabashi, JP

Overview

17→

Patents

1980–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C07Dprimary

C07DHeterocyclic compounds42%

C07CAcyclic or carbocyclic compounds37%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

6,878,824'Process for preparing N-methylated melamines'2005 6,855,845'Process for the preparing bromoisophithalic acid compound'2005 6,340,762'Method for optical resolution of piperidine carboxylic acid derivative'2002 6,222,074'Process for preparation of 4,6-diaminoresorcinol or salts thereof'2001 6,130,332'Method of alkylating triazine derivatives'2000 5,962,740'Processes for producing 4,6-bis (substituted)phenylazoresorcinols'1999 5,880,309'Phenylphosphonic acid derivative and production process therefor'1999 5,847,199'Derivative of phosphonic acid and process for the preparation thereof'1998 5,792,867'Method of alkylating of triazine derivatives'1998 5,786,479'Process for producing a 6-subsitituted 2(1H)-quinoxalinone'1998 5,391,760'Process for producing n-alkylpyrazoles'1995 5,153,329'Process for producing N-alkylpyrazoles'1992 4,970,336'Method of purifying .alpha.-substituted acetic acids'1990 4,625,053'Process for preparing optically active 2-(4-hydroxy-phenoxy) propionic acid compounds'1986 4,537,984'Process for producing 2-(4-hydroxyphenoxy) propionate derivatives'1985 4,242,522'O-(N-Allyl-2,6-dichloroanilino)phenylacetic acid derivative and a process for preparing the same'1980 4,188,343'Process for preparing anthranylaldehyde derivatives'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2005Patents assigned to NISSAN CHEMICAL IND LTD (17)· patent assignee history

1980Patents assigned to SAGAMI CHEM RES (1)· patent assignee history

1980–2005Based in Funabashi, JP· patent location history

1986–1995Based in Ichikawa, JP· patent location history

1990–1992Based in Onoda, JP· patent location history

1998–2002Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN CHEMICAL IND LTD	17	1980–2005
SAGAMI CHEM RES	1	1980

Locations

Location	Patents	Span
Funabashi, JP	11	1980–2005
Chiba, JP	2	1998–2002
Ichikawa, JP	2	1986–1995
Onoda, JP	2	1990–1992