Akio Hayashi
42Patents
10h-index
73Co-inventors
78Inventor score
Filing activity: Jun 21, 1985 → Aug 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8460886B2 | Use of an efficacy marker for optimizing therapeutic efficacy of an anti-human PD-1 antibody on cancers | Physics | 28 | Active |
| US5889087A | Flame retardant cable | Electricity | 26 | Expired |
| US6503632B1 | Polydialkylsiloxane/polyamide copolymer, process for producing the same, and various materials | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6232377A | Flame retardant composition | Chemistry; Metallurgy | 22 | Expired |
| US6387414B1 | Method for preparing hydroxyapatite composite and biocompatible material | Human Necessities | 15 | Expired |
| US5723558A | Fumaric acid derivative and polymer therefrom | Chemistry; Metallurgy | 14 | Expired |
| US6395037B1 | Hydroxyapatite, composite, processes for producing these, and use of these | Chemistry; Metallurgy | 11 | Expired |
| US6706260B1 | Wound-covering preparation, wound-covering material, and method of wound healing | Chemistry; Metallurgy | 11 | Expired |
| US5981786A | Process for producing (meth)acrylate derivatives | Chemistry; Metallurgy | 10 | Expired |
| US5470956A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 10 | Expired |
| US6566516B1 | High purity polysaccharide containing a hydrophobic group and process for producing it | Chemistry; Metallurgy | 9 | Expired |
| US7910745B2 | Organic compound and method for producing radioactive halogen-labeled organic compound using the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US8343459B2 | Method for production of radiation diagnostic imaging agent | Chemistry; Metallurgy | 6 | Active |
| US4648986A | Compositions based on mixtures of ethylene-ethyl acrylate copolymers and ethylene-vinyl acetate-vinyl chloride terpolymers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7897811B2 | Process for production of radioactive fluorine-labeled organic compound | Emerging Cross-Sectional Technologies | 5 | Active |
| US6441131B1 | Peptides, method for assaying human pepsinogen II or human pepsin II, and assaying kit | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8563771B2 | Process for production of precursor compound for radioactive halogen-labeled organic compound | Emerging Cross-Sectional Technologies | 4 | Active |
| US8790620B2 | Radioactive diagnostic imaging agent | Human Necessities | 4 | Active |
| US7700792B2 | Highly active lysophosphatidic acid and method of screening therewith | Physics | 4 | Active |
| US8269035B2 | Process for production of radioactive-fluorine-labeled organic compound | Emerging Cross-Sectional Technologies | 4 | Active |
| US4598127A | Compositions based on mixtures of ethylene-ethyl acrylate copolymers and ethylene-vinyl acetate-vinyl chloride terpolymers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5045239A | Non-linear optical material | Physics | 3 | Expired |
| US8277777B2 | Compound having affinity for amyloid | Human Necessities | 2 | Active |
| US5591648A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 2 | Expired |
| US8758724B2 | Unnatural amino acid radiolabeling precursor | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.