Inventor
Yorinobu Yamada
Inventor
Tokorozawa, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Nprimary
H10NElectric solid-state devices not otherwise provided for22%
B41JTypewriters15%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
C23CCoating metallic material11%
Y10TTechnical subjects covered by former us classification11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
G03GElectrography7%
C07CAcyclic or carbocyclic compounds4%
PatentTitleYear
6,511,156'Ink-jet head nozzle plate, its manufacturing method and ink-jet head'20036,350,486'Ferroelectric element and process for producing the same'20026,343,855'Ferroelectric element process for producing the same and ink jet head'20026,336,716'Ferroelectric element, process for producing the same, and ink jet head'20026,316,866'Ferroelectric element and process for producing the same'20016,255,762'Ferroelectric element and process for producing the same'20016,247,799'Ferroelectric element, process for producing the same, and ink jet head'20015,403,687'Modification of pigment and electrophotographic photoreceptor with modified pigment'19955,368,965'Electrophotographic photoreceptor'19944,257,851'Purification of naphthoquinone'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to KAWASAKI KASEI CHEMICALS (1)· patent assignee history
1981Based in Kawasaki, JP· patent location history
1994–2003Patents assigned to CITIZEN WATCH CO LTD (9)· patent assignee history
1994–1995Based in Saitama, JP· patent location history
2001–2003Based in Tokorozawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 9 | 1994–2003 |
| KAWASAKI KASEI CHEMICALS | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 7 | 2001–2003 |
| Saitama, JP | 2 | 1994–1995 |
| Kawasaki, JP | 1 | 1981 |