Inventor
Koji Hamaguchi
Inventor
Wakayama, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials28%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management28%
G11CStatic stores20%
A61BDiagnosis5%
H10DInorganic electric semiconductor devices5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08LCompositions of macromolecular compounds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
D21HPulp compositions3%
F03BMachines or engines for liquids3%
PatentTitleYear
10,012,206Runner vane of axial hydraulic machine, runner of axial hydraulic machine, and axial hydraulic machine20188,696,125'Eye refractive power measurement apparatus'20148,079,708'Eye refractive power measurement apparatus'20117,161,207'Computer system, memory structure and structure for providing storage of data'20077,106,630'Semiconductor storage device, mobile electronic apparatus, method for controlling erase operation, and method for controlling program operation'20067,023,731'Semiconductor memory device and portable electronic apparatus'20066,998,698'Memory cell with a perovskite structure varistor'20066,977,843'Semiconductor memory device with malfunction prevention device, and portable electronic apparatus using the same'20056,967,867'Semiconductor memory device and method for correcting memory cell data'20056,862,213'Semiconductor memory device and control method thereof'20056,621,734'Nonvolatile semiconductor memory device and electronic information apparatus'20036,273,995'Paper bulking promoter, highly bulky pulp sheet, and process for producing the pulp sheet'20015,801,135'Deinking composition comprising a fatty acid mixture and a nonionic surfactant'19985,695,603'Deinking agent with polyoxyalkylene group consisting of specific block and random arrangement units and method for reclaiming waste paper using same'19975,672,244'High temperature deinking method using an alkylene oxide adduct'19975,643,409'Method for deinking wastepaper'19975,585,339'Deinking composition and deinking method'19965,304,316'Deinking agent for regenerating waste printed paper comprising reaction product of compound having an OH group, a dicarboxylic acid, or an anhydride thereof'19945,288,369'Deinking method and deinking composition'19945,281,358'Deinking agent'19945,120,397'Deinking agent'19925,100,574'Deinking agent'19924,964,949'Deinking composition for reclamation of waste paper'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2001Patents assigned to KAO CORP (12)· patent assignee history
1990–2001Based in Wakayama, JP· patent location history
2003–2007Patents assigned to SHARP KK (8)· patent assignee history
2003–2007Based in Tenri, JP· patent location history
2005Based in Nara, JP· patent location history
2011–2014Patents assigned to GONO MITSUHIRO (2)· patent assignee history
2011–2014Patents assigned to HAMAGUCHI KOJI (2)· patent assignee history
2011–2014Patents assigned to NIDEK KK (2)· patent assignee history
2011–2014Based in Aichi, JP· patent location history
2018Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAO CORP | 12 | 1990–2001 |
| SHARP KK | 8 | 2003–2007 |
| GONO MITSUHIRO | 2 | 2011–2014 |
| HAMAGUCHI KOJIself | 2 | 2011–2014 |
| NIDEK KK | 2 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wakayama, JP | 12 | 1990–2001 |
| Tenri, JP | 7 | 2003–2007 |
| Aichi, JP | 2 | 2011–2014 |
| Yokohama, JP | 1 | 2018 |
| Nara, JP | 1 | 2005 |