Keizou Ishikawa
6Patents
4h-index
19Co-inventors
54Inventor score
Filing activity: Mar 16, 1992 → Aug 20, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5415791A | Lubricating composition and a sliding member comprising the composition | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5747502A | Process for preparing benzoc!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agents | Human Necessities | 16 | Expired |
| US8323669B2 | Polymer conjugate of taxane | Chemistry; Metallurgy | 9 | Active |
| US8940332B2 | High-molecular weight conjugate of podophyllotoxins | Chemistry; Metallurgy | 5 | Active |
| US6251355A | Fine cisplatin powder and process for the production thereof | Chemistry; Metallurgy | 1 | Expired |
| US9434822B2 | Block copolymer, micelle preparation, and anticancer agent containing the same as active ingredient | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.