logo

For the Inventor, By the Inventor

Ibaraki, Japan

Hitachi-Science Systems, Ltd.


USPTO Granted Patents = 33

% Expired Patents = 45.5


Forward Citations = 119

Loading Chart...
Loading Chart...

71 inventors (with patents filed for the assignee):

goldMedal Masaharu Nishida (4 out of 25 patents)

silverMedal Katsuaki Takahashi (4 out of 38 patents)

bronzeMedal Hidetoshi Morokuma (4 out of 73 patents)

4.  Eiko Nakazawa (4 out of 21 patents)

5.  Isao Nagaoki (4 out of 23 patents)

6.  Shunsuke Koshihara (4 out of 10 patents)

7.  Yoshinori Nakada (4 out of 5 patents)

8.  Takehiko Konno (3 out of 5 patents)

9.  Ryuichirou Tamochi (3 out of 4 patents)

10.  Yayoi Hosoya (3 out of 4 patents)

11.  Toru Iwaya (3 out of 3 patents)

12.  Masashi Kimura (2 out of 6 patents)

13.  Hiroshi Ohga (2 out of 19 patents)

14.  Sukehiro Ito (2 out of 33 patents)

15.  Kouichi Kurosawa (2 out of 12 patents)


Core Competencies:
Electron Microscopy
Scanning Electron Microscope
Automatic Analyzer
Defect Review
Transmission Electron Microscope
Micro Manipulator
Charged Particle Beam
Material Characterization
High-Voltage Discharge
Resist Development
Gradient Liquid Feed Pump
Sample Observation

33 patents:

1. 7995833 - Method of alignment for efficient defect review (2011-08-09),
2. 7788108 - Cross-contamination prevention system and automatic analyzer which equip for it (2010-08-31),
3. 7727469 - Automatic analyzer (2010-06-01),
4. 7625524 - Automatic analyzer (2009-12-01),
5. 7547414 - Automatic analyzer (2009-06-16),
6. 7521695 - Scanning electron microscope (2009-04-21),
7. 7511271 - Scanning electron microscope (2009-03-31),
8. 7459123 - Automatic analyzer (2008-12-02),
9. 7364698 - Automatic analyzer (2008-04-29),
10. 7294833 - Method of alignment for efficient defect review (2007-11-13),
11. 7274017 - Electron beam apparatus and high-voltage discharge prevention method (2007-09-25),
12. 7217925 - Scanning electron microscope (2007-05-15),
13. 7214938 - Sample observation method and transmission electron microscope (2007-05-08),
14. 7179000 - Method of developing a resist film and a resist development processor (2007-02-20),
15. 7163379 - Gradient liquid feed pump system, and liquid chromatograph (2007-01-16),
Company Overview
Hitachi-Science Systems, Ltd. is a prominent player in the technology sector, specializing in advanced systems and solutions that enhance operational efficiency across various industries. The company focuses on research and development in fields such as information technology, automation, and data management, contributing to innovations that support smart infrastructure and sustainable practices. Based in Ibaraki, Japan, Hitachi-Science Systems leverages its expertise to address complex challenges and drive technological advancements in both local and global markets.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

Hitachi-Science Systems, Ltd. USPTO Patent Assignee Logo
33 Patents

#12 in Ibaraki

#2,201 in Japan

#20,147 in the World

Ibaraki, JP
Ibaraki, Japan

Hitachi-Science Systems, Ltd.

Forward Citations = 119

71 inventors:

goldMedal Masaharu Nishida (4 out of 25 patents)

silverMedal Katsuaki Takahashi (4 out of 38 patents)

bronzeMedal Hidetoshi Morokuma (4 out of 73 patents)

4.  Eiko Nakazawa (4 out of 21 patents)

5.  Isao Nagaoki (4 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi-Science Systems, Ltd.. Retrieved from https://idiyas.com/company/hitachi-science-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…