Inventor
Nobuo Ishikawa
Inventor
Yokohama, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds26%
C07DHeterocyclic compounds15%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
G11BInformation storage based on relative movement between record carrier and transducer6%
Y10TTechnical subjects covered by former us classification6%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C07BGeneral methods of organic chemistry3%
C08BPolysaccharides3%
C08JWorking-up3%
PatentTitleYear
5,934,805'Method and an apparatus for flaw detection'19994,873,677'Charging apparatus for an electronic device'19894,864,442'Magnetic read/write apparatus'19894,769,493'Process for producing tetrafluorophthalic acid'19884,741,960'Magnetic recording medium having a back coat layer containing a specific type of lubricant'19884,614,742'Fluorinated isophthalonitrile compound and nonmedical fungicide containing the same'19864,595,417'Process for treating aqueous slurry of pigment'19864,582,924'.alpha.-Fluoroalkyl carboxylic acid esters and process for preparing the same'19864,578,222'Process for preparing a perfluorinated or polyfluorinated aliphatic carboxylic acid'19864,578,503'Alkylated or alkenylated malonic acid or its derivatives having a fluorine'19864,563,394'Shaped article of synthetic resin having improved surface'19864,558,148'Fluorinated allylic compounds and a process for preparing these compounds'19854,552,694'Fluorinated benzodiazepins'19854,542,238'Optically active substance'19854,540,524'Methods for preparing lower alkyl .alpha.-fluoro-.alpha.-cyanoacetate and its carbanion'19854,532,020'Process for preparing a .beta.-(fluoroalkyl or fluoroalkenyl)-.beta.-hydroxyalkyne'19854,487,926'Fluorine-containing cellulose derivatives'19844,484,993'Process for producing fluorine-containing organic compound'19844,482,729'Fluoroalkyl silyl ketene acetals and a process for preparing the same'19844,480,103'4-Fluoro-5-oxypyrazole derivatives'19844,465,859'N,N-Dialkyl-3-oxo-3-alkyl-1,2-difluoropropenylamine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1986Patents assigned to DAIKIN IND LTD (14)· patent assignee history
1984Patents assigned to DAICEL CHEM (1)· patent assignee history
1984–1986Based in Yokohama, JP· patent location history
1986–1988Patents assigned to SDS BIOTECH CORP (2)· patent assignee history
1986Patents assigned to DAIDO KASEI KOGYO (1)· patent assignee history
1988Based in Kanagawa, JP· patent location history
1988Based in Mito, JP· patent location history
1989Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
1989Based in Suwa, JP· patent location history
1999Based in Chita, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAIKIN IND LTD | 14 | 1984–1986 |
| SDS BIOTECH CORP | 2 | 1986–1988 |
| SEIKO EPSON CORP | 2 | 1989 |
| DAICEL CHEM | 1 | 1984 |
| DAIDO KASEI KOGYO | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 1984–1986 |
| Suwa, JP | 2 | 1989 |
| Chita, JP | 1 | 1999 |
| Kanagawa, JP | 1 | 1988 |
| Mito, JP | 1 | 1988 |