Tsutomu Ichimura
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Mar 21, 1991 → Jul 25, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5231464A | Highly directional optical system and optical sectional image forming apparatus employing the same | Physics | 57 | Expired |
| US5345306A | Method and apparatus for measuring spectral absorption in an opaque specimen and method and apparatus for measuring the microscopic absorption distribution | Physics | 43 | Expired |
| US5495334A | Fourier transform spectroscope with quadrangular common path interferometer | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.