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National Institute for Research in Inorganic Materials

USPTO Granted Patents = 47

Forward Citations = 636

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88 inventors (with patents filed for the assignee):

Mamoru Mitomo (7 out of 19 patents)

Kenji Kitamura (5 out of 58 patents)

Mamoru Watanabe (5 out of 10 patents)

4. Yasunori Furukawa (5 out of 11 patents)

5. Shigeki Otani (5 out of 6 patents)

6. Yoshio Ishizawa (5 out of 5 patents)

7. Naoto Hirosaki (4 out of 103 patents)

8. Takayoshi Sasaki (4 out of 28 patents)

9. Shunji Takekawa (4 out of 15 patents)

10. Shigeyuki Kimura (4 out of 11 patents)

11. Yusuke Moriyoshi (3 out of 7 patents)

12. Toshiyuki Nishimura (3 out of 4 patents)

13. Osamu Mishima (3 out of 4 patents)

14. Koh Era (3 out of 4 patents)

15. Mutsukazu Kamo (3 out of 4 patents)

Core Competencies:

Metal Ion Separation

Titania Ultrathin Film

Optically Functional Device

Silicon Nitride Sintered Products

Lithium Niobate Single Crystal

Cubic Boron Nitride

Hydrophobicity Imparting

Rare Earth Hexaboride

Phosphorus-Doped Diamond

Superplastic Silicon Carbide

Yttrium Boride Crystal

Diamond Synthesis

47 patents: Sort by Forward Citations

1. 7041262 - Method for separating metal ions (2006-05-09),

2. 6838160 - Titania ultrathin film and method for producing it (2005-01-04),

3. 6747787 - Optically functional device, single crystal substrate for the device and method for its use (2004-06-08),

4. 6737378 - Silicon nitride sintered products and processes for their production (2004-05-18),

5. 6673330 - Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystal (2004-01-06),

6. 6624923 - Optically functional device, single crystal substrate for the device and method for its use (2003-09-23),

7. 6592841 - Adsorbent for nitrogen oxides and its treatment method (2003-07-15),

8. 6589899 - Spinel type sialon, spinel type silicon oxynitride and methods for producing their powders (2003-07-08),

9. 6579819 - Silicon nitride sintered products and processes for their production (2003-06-17),

10. 6544426 - Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalyst (2003-04-08),

11. 6464777 - Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystal (2002-10-15),

12. 6383465 - Cubic boron nitride and its gas phase synthesis method (2002-05-07),

13. 6338877 - Method for rapidly imparting hydrophobicity to a hydrophilicity-imparted oxide solid surface (2002-01-15),

14. 6228501 - Porous body of polysaccharide or polysaccharide-clay composite, and process for its production (2001-05-08),

15. 6027670 - Rare earth hexaboride electron-emitting material (2000-02-22),

The National Institute for Research in Inorganic Materials (NIRIM) is a leading research institution dedicated to the study of inorganic materials. NIRIM conducts cutting-edge research in the fields of ceramics, metals, and nanomaterials, with a focus on developing advanced materials for various applications. Their research aims to improve the performance, durability, and sustainability of materials used in industries such as electronics, energy, and aerospace. Through collaboration with industry partners and academic organizations, NIRIM strives to contribute to technological advancements and innovation in the domain of inorganic materials.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

47 Patents

#2 in Tsukuba

#1,740 in Japan

#14,414 in the World

National Institute for Research in Inorganic Materials

Forward Citations = 636

88 inventors:

Mamoru Mitomo (7 out of 19 patents)

Kenji Kitamura (5 out of 58 patents)

Mamoru Watanabe (5 out of 10 patents)

4. Yasunori Furukawa (5 out of 11 patents)

5. Shigeki Otani (5 out of 6 patents)

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