Isao Ishida
31Patents
8h-index
31Co-inventors
75Inventor score
Filing activity: Aug 20, 1976 → May 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7041870B2 | Transgenic transchromosomal rodents for making human antibodies | Chemistry; Metallurgy | 173 | Expired |
| US6632976B1 | Chimeric mice that are produced by microcell mediated chromosome transfer and that retain a human antibody gene | Chemistry; Metallurgy | 114 | Expired |
| US7074983B2 | Transgenic bovine comprising human immunoglobulin loci and producing human immunoglobulin | Chemistry; Metallurgy | 20 | Expired |
| US7476536B2 | Artificial human chromosome containing human antibody a light chain gene | Chemistry; Metallurgy | 15 | Expired |
| US7429690B2 | Transgenic bovines having reduced prion protein production | Chemistry; Metallurgy | 12 | Expired |
| US7414170B2 | Transgenic bovines capable of human antibody production | Chemistry; Metallurgy | 11 | Expired |
| US7868223B2 | Method for modifying chromosomes | Chemistry; Metallurgy | 10 | Active |
| US7491867B2 | Expression of xenogenous (human) immunoglobulins in cloned, transgenic ungulates | Chemistry; Metallurgy | 9 | Expired |
| US7803981B2 | Transgenic ungulates capable of human antibody production | Chemistry; Metallurgy | 8 | Active |
| US7816578B2 | Transgenic transchromosomal rodents for making human antibodies | Chemistry; Metallurgy | 8 | Expired |
| US7402729B2 | Human artificial chromosome containing human antibody λ light chain gene and non-human animal containing the human artificial chromosome capable of genetic transmission | Chemistry; Metallurgy | 7 | Expired |
| US7807863B2 | Transgenic bovine having reduced prion protein activity and uses thereof | Chemistry; Metallurgy | 6 | Active |
| US7576258B2 | Transgenic transchromosomal rodents for making human antibodies | Chemistry; Metallurgy | 5 | Active |
| US8835712B2 | Transgenic trasnchromosomal rodents for making human antibodies | Chemistry; Metallurgy | 4 | Active |
| US7420099B2 | Transgenic animals and uses thereof | Chemistry; Metallurgy | 4 | Expired |
| US7371568B1 | Method for modifying chromosomes | Chemistry; Metallurgy | 3 | Expired |
| US9499838B2 | Human artificial chromosome containing human antibody λ light chain gene and non-human animal containing the human artificial chromosome capable of genetic transmission | Chemistry; Metallurgy | 3 | Active |
| US7928285B2 | Method of producing xenogenous antibodies using a bovine | Chemistry; Metallurgy | 3 | Active |
| US9426970B2 | Transgenic transchromosomal rodents for making human antibodies | Chemistry; Metallurgy | 2 | Active |
| US8980060B2 | Biomass hydrothermal decomposition apparatus, method thereof, and organic material production system using biomass material | Emerging Cross-Sectional Technologies | 2 | Active |
| US4084862A | Thrust support system for vertical shaft rotary machine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5491080A | Plants resistant against plural viruses and method for producing them using as RNase genes | Chemistry; Metallurgy | 1 | Expired |
| US11926551B2 | Water treatment system and water treatment method | Chemistry; Metallurgy | 0 | Active |
| US8124406B2 | Method for modifying chromosomes | Chemistry; Metallurgy | 0 | Active |
| US10266601B2 | Recombinant obligate anaerobic gram-positive bacteria | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.