Forward Citations = 78

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8 inventors (with patents filed for the assignee):

Masayoshi Lee (3 out of 3 patents)

Akira Ikeda (3 out of 3 patents)

Hayao Akaba (3 out of 6 patents)

4. Tadashi Iizuka (2 out of 2 patents)

5. Akira Kitani (1 out of 15 patents)

6. Sho Michihiro (1 out of 1 patent)

7. Fumio Onoki (1 out of 4 patents)

8. Hajime Kamiya (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 4472036 - Progressive multi-focal lenses (1984-09-18),

2. 4217736 - Method for automatically grinding lenses (1980-08-19),

3. 4128303 - Anti reflection coating with a composite middle layer (1978-12-05),

4. 4096684 - Automatic lens grinding machine (1978-06-27),

5. 4021102 - Auto-refractometer (1977-05-03),

6. 3978386 - Servo system for finishing objects materials (1976-08-31),

7. 3953130 - Automatic digital indicating lens meter (1976-04-27),

Kabushiki Kaisha Hoya Lens is a Japanese company specializing in the manufacturing of optical lenses for various applications. With a history dating back to 1941, Hoya Lens is known for its high-quality products and innovative technologies in the optical industry. The company offers a wide range of lens products including eyeglass lenses, camera lenses, and medical imaging lenses, serving customers worldwide.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#2,027 in Tokyo

#5,307 in Japan

Tokyo, Japan

Kabushiki Kaisha Hoya Lens