Company Filing History:

8 out of 42,485

Hitachi, Ltd.

patents

1 out of 18

Hitachi Instrument Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1987-2010

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7713394 - Electrophoresis apparatus using capillary array and sample plate assembly used therefor (2010-05-11),

2. 7056427 - Electrophoresis apparatus using capillary array and sample plate assembly used therefor (2006-06-06),

3. 5202562 - High sensitive element analyzing method and apparatus of the same (1993-04-13),

4. 5185523 - Mass spectrometer for analyzing ultra trace element using plasma ion (1993-02-09),

5. 5130537 - Plasma analyzer for trace element analysis (1992-07-14),

6. D307398 - Atomic absorption spectrophotometer (1990-04-24),

7. 4867562 - Atomic absorption spectrophotometer (1989-09-19),

8. 4645341 - Double polarized light beam spectrophotometer of light source modulation (1987-02-24),

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Company Filing History:

Years Active: 1987-2010