Inventor
Michihiro Gonda
Inventor
Tokyo, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes41%
C07DHeterocyclic compounds22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
Y10TTechnical subjects covered by former us classification6%
C07CAcyclic or carbocyclic compounds3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
G03GElectrography3%
PatentTitleYear
RE033815'Heat sensitive record sheet'19925,041,560'Fluoran compound'19914,912,259'Pentadiene amino compound'19904,839,334'Heat sensitive recording sheet'19894,749,796'Xanthene derivative and a production process of the same'19884,694,088'Fluoran compounds'19874,642,663'6-tetrahydrofurfurylaminofluoran compound useful as a color former on an heat sensitive recording sheet'19874,612,558'Fluoran compounds'19864,597,795'6-tetrahydrofurfurylaminofluoran compound useful as a color former'19864,594,601'Fluoran compounds'19864,550,329'Heat sensitive record material'19854,539,577'Heat sensitive record material'19854,510,513'Heat sensitive record sheet'19854,482,905'Heat sensitive record material'19844,262,078'Light transmitting particle for forming color image'19813,979,320'Liquid crystal composition'19763,975,285'Liquid crystal composition'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to HODOGAYA CHEMICAL CO LTD (15)· patent assignee history
1976–1992Based in Tokyo, JP· patent location history
1981Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
1981Based in Urawa, JP· patent location history
1985–1991Based in Kitamoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HODOGAYA CHEMICAL CO LTD | 15 | 1976–1991 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1976–1992 |
| Kitamoto, JP | 7 | 1985–1991 |
| Urawa, JP | 1 | 1981 |