Mitsuru Kawada
22Patents
9h-index
24Co-inventors
75Inventor score
Filing activity: Jun 28, 1974 → Apr 22, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4754026A | Conversion of uracil derivatives to cytosine derivatives | Chemistry; Metallurgy | 31 | Expired |
| US4689404A | Production of cytosine nucleosides | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4139545A | Aralkyl carboxylic acid compounds | Chemistry; Metallurgy | 25 | Expired |
| US3957836A | Quinone derivatives | Chemistry; Metallurgy | 22 | Expired |
| US4271083A | 6-Hydroxy-1,4-benzoquinone compounds | Chemistry; Metallurgy | 20 | Expired |
| US5932601A | Oxazolidinedione derivatives, their production and use | Chemistry; Metallurgy | 17 | Expired |
| US4818441A | Quinine derivatines | Chemistry; Metallurgy | 12 | Expired |
| US5215919A | Process for producing optically active 2-hydroxycycloalkanecarboxylic acid esters using microbially derived reductase | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5269965A | Optically active compounds, liquid crystal compositions comprising said compounds and liquid crystal optical modulators using said compositions | Chemistry; Metallurgy | 9 | Expired |
| US5370821A | Optically active compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions | Chemistry; Metallurgy | 6 | Expired |
| US5152919A | Optically active compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions | Chemistry; Metallurgy | 6 | Expired |
| US4407757A | Aralkyl carboxylic acid compounds | Chemistry; Metallurgy | 5 | Expired |
| US5167863A | Optically active compound, liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition | Chemistry; Metallurgy | 5 | Expired |
| US6800778B1 | Process for producing optically active naphthalene derivative and optical resolver therefor | Chemistry; Metallurgy | 4 | Expired |
| US4362740A | Spiro compounds, their production and use | Chemistry; Metallurgy | 2 | Expired |
| US4342779A | 7-Acetylspirobenzofuranone compound | Chemistry; Metallurgy | 2 | Expired |
| US4284644A | Spirobenzofuranone compounds | Chemistry; Metallurgy | 2 | Expired |
| US4330554A | Spirobenzofuranone compounds | Chemistry; Metallurgy | 2 | Expired |
| US4525361A | Aralkyl carboxylic acid compounds in compositions for potentiating immuno activity | Chemistry; Metallurgy | 2 | Expired |
| US5328643A | Optically active compounds, liquid crystal composition containing said compounds, and liquid crystal optical modulator using said composition | Chemistry; Metallurgy | 1 | Expired |
| US5232853A | Method for producing (2R,3S)-3-hydroxy-2-methylbutyrate by microbial reduction | Chemistry; Metallurgy | 1 | Expired |
| US4558068A | Spirobenzofuranones and their use in treating peptic ulcers | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.