Inventor
Ichiro Hayashida
Inventor
Saitama, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1038%
C11DDetergent compositions33%
C01BNon-metallic elements5%
C23FNon-mechanical removal of metallic material from surface5%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis5%
H01LSemiconductor devices5%
C09GPolishing compositions3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
PatentTitleYear
8,900,371'Cleaning agent for substrate and cleaning method'20148,871,653'Etching agent, etching method and liquid for preparing etching agent'20148,513,139'Etching agent, etching method and liquid for preparing etching agent'20137,700,532'Cleaning composition and method of cleaning therewith'20107,481,949'Polishing composition and rinsing composition'20097,375,066'Semiconductor wafer cleaning agent and cleaning method'20086,716,803'Cleaning agent for a semi-conductor substrate'20046,534,458'Cleaning agent for a semi-conductor substrate'20036,514,921'Cleaning agent'20036,410,494'Cleaning agent'20026,310,019'Cleaning agent for a semi-conductor substrate'20016,143,705'Cleaning agent'20005,840,127'Surface treating agents and treating process for semiconductors'19985,580,846'Surface treating agents and treating process for semiconductors'19965,290,361'Surface treating cleaning method'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2014Patents assigned to WAKO PURE CHEM IND LTD (13)· patent assignee history
1994–1998Based in Kawagoe, JP· patent location history
2000–2014Based in Saitama, JP· patent location history
2009Patents assigned to FUJIMI INC (1)· patent assignee history
2009Based in Iruma, JP· patent location history
2013–2014Patents assigned to HAYASHIDA ICHIRO (2)· patent assignee history
2013Patents assigned to KIKUCHI NOBUYUKI (1)· patent assignee history
2013–2014Based in Tokyo, JP· patent location history
2014Patents assigned to KAKIZAWA MASAHIKO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WAKO PURE CHEM IND LTD | 13 | 1994–2014 |
| HAYASHIDA ICHIROself | 2 | 2013–2014 |
| FUJIMI INC | 1 | 2009 |
| KAKIZAWA MASAHIKO | 1 | 2014 |
| KIKUCHI NOBUYUKI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 9 | 2000–2014 |
| Kawagoe, JP | 3 | 1994–1998 |
| Tokyo, JP | 2 | 2013–2014 |
| Iruma, JP | 1 | 2009 |