Kohei Watanabe
62Patents
7h-index
72Co-inventors
75Inventor score
Filing activity: Jul 12, 1988 → Mar 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5066397A | Hollow fiber membranes with fusion-bonded end portions | Performing Operations; Transporting | 23 | Expired |
| US7099555B2 | Light amount adjusting apparatus, optical equipment, optical filter and image-taking apparatus | Physics | 18 | Expired |
| US7601790B2 | Amphiphilic block copolymer, polymer-containing composition containing the same, and method and apparatus for applying liquid using the polymer-containing composition | Chemistry; Metallurgy | 14 | Active |
| US7815632B2 | Laser induced liquid jet generating device | Human Necessities | 13 | Active |
| US5836266A | Apparatus for connecting shellfish to culture rope | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4980060A | Hollow fiber membranes with fusion-bonded end portions | Performing Operations; Transporting | 8 | Expired |
| US5298994A | Television signal converter for converting high definition television (HDTV) signals to conventional television signals | Electricity | 7 | Expired |
| US7959280B2 | Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus | Chemistry; Metallurgy | 6 | Active |
| US7314276B2 | Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus | Chemistry; Metallurgy | 5 | Expired |
| US10952616B2 | Fluorescence imaging apparatus | Human Necessities | 4 | Active |
| US7419820B2 | Transfer sheet for transferring biologically active substance to culture plate | Performing Operations; Transporting | 4 | Expired |
| US7846727B2 | Substratum having a pattern of cell-culture controlling substance | Chemistry; Metallurgy | 3 | Expired |
| US5823864A | Shellfish transfer device | Human Necessities | 3 | Expired |
| US8652438B2 | Central nervous system labelling composition for intranasal administration and labelling method and screening method using central nervous system labelling composition for intranasal administration | Human Necessities | 3 | Active |
| US11191924B2 | Catheter assembly | Human Necessities | 3 | Active |
| US8323973B2 | Substrate for cell culture, producing method thereof and screening method for cell culture conditions utilizing the same | Chemistry; Metallurgy | 2 | Active |
| US7241333B2 | Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus | Performing Operations; Transporting | 2 | Expired |
| US9747572B2 | Exercise support device, exercise support method, and exercise support program | Physics | 2 | Active |
| US8460639B2 | Probe for a hair cell, and labelling method for a hair cell using the probe for a hair cell | Physics | 2 | Active |
| US9649392B2 | Central nervous system labelling composition for intranasal administration and labelling method and screening method using central nervous system labelling composition for intranasal administration | Human Necessities | 1 | Active |
| USD985667S1 | Print head for inkjet printer | General | 1 | Active |
| US7960168B2 | Biologically active substance transfer sheet, cell culture kit constituted of cell culture plate and biologically active substance transfer sheet, producing method thereof and method for screening cell culture conditions utilizing the same | Performing Operations; Transporting | 1 | Active |
| US8293819B2 | Method for producing particles and particles | Emerging Cross-Sectional Technologies | 1 | Active |
| US7070344B2 | Production process of light amount adjustment member, light amount adjustment device and photographing apparatus | Physics | 1 | Expired |
| US7300505B2 | Ink-jet recording ink, ink cartridge, recording unit, ink-jet recording method, ink-jet recording apparatus, and method for stabilizing ink ejection | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.