Fisons plc
125Patents
0Active
125Granted
40Portfolio score
Filing activity: May 11, 1982 → Feb 23, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5260306A | Inhalation pharmaceuticals | Human Necessities | 185 | Expired |
| US5727546A | Powder inhaler with breath flow regulation valve | Human Necessities | 165 | Expired |
| US5496701A | Optical biosensor method for determining an analyte | Emerging Cross-Sectional Technologies | 145 | Expired |
| US4590206A | Inhalation pharmaceuticals | Human Necessities | 131 | Expired |
| US4762420A | Photometric reading device for serological analysis | Physics | 90 | Expired |
| US5374563A | Surface plasmon resonance device and method of determining biological, biochemical, or chemical analyte | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5478756A | Chemical sensor for detecting binding reactions | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6123924A | Pressurized aerosol inhalation compositions | Human Necessities | 82 | Expired |
| US6109261A | Powder inhaler with breath flow regulation valve | Human Necessities | 81 | Expired |
| US4847091A | Pharmaceutical composition including sodium cromoglycate | Human Necessities | 69 | Expired |
| US5415842A | Surface plasmon resonance analytical device | Physics | 65 | Expired |
| US5383019A | Inductively coupled plasma spectrometers and radio-frequency power supply therefor | Electricity | 63 | Expired |
| US4509515A | Inhalation device | Chemistry; Metallurgy | 60 | Expired |
| USD348100S | Medicament inhaler | General | 60 | Expired |
| US4702400A | Aerosol dispensing metering valve | Physics | 58 | Expired |
| US5176132A | Medicament inhalation device and formulation | Human Necessities | 55 | Expired |
| US5239991A | Disposable powder medicament inhalation device with peel-off cover | Human Necessities | 54 | Expired |
| US5615670A | Powder inhaler with centrifugal force used to meter powder | Human Necessities | 52 | Expired |
| US5560490A | Pharmaceutical packaging with capsule sealing means | Performing Operations; Transporting | 51 | Expired |
| US5349944A | Inhalation devices with a reduced risk of blockage | Human Necessities | 48 | Expired |
| US4748160A | Angiotensin converting enzyme inhibitors and their formulation and use as pharmaceuticals | Human Necessities | 41 | Expired |
| US4810719A | Anti-inflammator 1,n-diarylpyrazol-3-amines | Chemistry; Metallurgy | 38 | Expired |
| US4650786A | Hemoglobin compounds | Chemistry; Metallurgy | 36 | Expired |
| US5787881A | Inhalation device | Human Necessities | 35 | Expired |
| US5204113A | Pharmaceutical compositions containing pentamidine | Human Necessities | 32 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.