Inventor
Yoshiaki Kawaida
Inventor
Kita-ku, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments22%
C09DCoating compositions, e.g. paints, varnishes or lacquers22%
B41MPrinting, duplicating, marking, or copying processes15%
B41JTypewriters7%
Y10TTechnical subjects covered by former us classification7%
G02BOptical elements, systems or apparatus5%
G08CTransmission systems for measured values, control or similar signals5%
H04BTransmission5%
H04NPictorial communication, e.g. television5%
C07DHeterocyclic compounds2%
PatentTitleYear
9,632,227'Light guide body'20179,435,926'Light guide body, relay apparatus, and speaker apparatus'20168,909,055'Relay device and speaker apparatus'20148,226,222'Ink set, recording method, and colored object'20128,080,100'Trisazo compound, ink composition, recording method and colored body'20117,951,234'Water-soluble azo compound or salt thereof, ink composition and colored product'20117,854,797'Porphyrazine coloring matter, ink, ink set, and colored product'20107,771,525'Water-soluble azo compound or salt thereof, ink composition and colored product'20107,591,888'Porphyrazine coloring matter, ink, ink set and colored article'20097,585,361'Porphyrazine coloring matter, ink, ink set and colored product'20097,462,228'Water-base black ink composition and colored product'20087,326,288'Trisazo compound, ink composition, and colored object'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2012Patents assigned to NIPPON KAYAKU KK (9)· patent assignee history
2008–2010Based in Kita-ku, JP· patent location history
2010–2012Based in Tokyo, JP· patent location history
2011–2017Patents assigned to KAWAIDA YOSHIAKI (4)· patent assignee history
2012Patents assigned to KAJIURA NORIKO (1)· patent assignee history
2014–2017Patents assigned to YAMAHA CORP (3)· patent assignee history
2014–2017Patents assigned to YAMAMOTO MASAKI (2)· patent assignee history
2014–2017Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KAYAKU KK | 9 | 2008–2012 |
| KAWAIDA YOSHIAKIself | 4 | 2011–2017 |
| YAMAHA CORP | 3 | 2014–2017 |
| YAMAMOTO MASAKI | 2 | 2014–2017 |
| KAJIURA NORIKO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kita-ku, JP | 5 | 2008–2010 |
| Tokyo, JP | 4 | 2010–2012 |
| Hamamatsu, JP | 3 | 2014–2017 |