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Konishiroku Photo Industry Co., Ltd.

USPTO Granted Patents = 1,252

Forward Citations = 13,885

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1,005 inventors (with patents filed for the assignee):

Kaoru Onodera (63 out of 75 patents)

Shigeharu Koboshi (55 out of 104 patents)

Satoshi Haneda (51 out of 231 patents)

4. Noriyoshi Tarumi (43 out of 57 patents)

5. Takashi Sasaki (34 out of 117 patents)

6. Masahiko Matsunawa (33 out of 48 patents)

7. Makoto Tomono (33 out of 39 patents)

8. Mitsuto Fujiwhara (32 out of 33 patents)

9. Hiroyuki Nomori (29 out of 47 patents)

10. Toshifumi Iijima (28 out of 31 patents)

11. Masayuki Kurematsu (26 out of 60 patents)

12. Yutaka Kaneko (26 out of 103 patents)

13. Jiro Takahashi (25 out of 34 patents)

14. Toyoaki Masukawa (24 out of 35 patents)

15. Eiichi Sakamoto (24 out of 26 patents)

Core Competencies:

Silver Halide Photographic Material

Light-Sensitive Photographic Material

Thermal Transfer Recording Medium

Biochemical Analysis Apparatus

Electrophotography Toner

Image Processing Apparatus

Color Photographic Processing

Lithographic Printing Plate Processing

Waste Treatment Method

Analytical Element

Developing Electrostatic Images

High Contrast Liquid Crystal Display

1,252 patents: Sort by Forward Citations

1. 5678148 - Structure for positioning a developing device in a recording apparatus (1997-10-14),

2. 5354646 - Method capable of rapidly processing a silver halide color photographic (1994-10-11),

3. 5278038 - Light-sensitive silver halide color photographic material (1994-01-11),

4. 5225320 - Method of processing a silver halide color photosensitive material (1993-07-06),

5. 5139930 - Silver halide photographic light-sensitive material (1992-08-18),

6. 5137802 - Silver halide photographic material with improved antistatic properties (1992-08-11),

7. 5089839 - Method of processing pre-sensitized lithographic printing plate and (1992-02-18),

8. 5075202 - Method of processing light-sensitive silver halide color photographic (1991-12-24),

9. 5071740 - Heat developable color photosensitive material (1991-12-10),

10. 5059526 - Dry multilayer analytical element for analysis of enzymes or (1991-10-22),

11. 5051346 - Light-sensitive photographic material comprising lipophilic coupler (1991-09-24),

12. 5049359 - Apparatus for biochemical analysis (1991-09-17),

13. 5044735 - Liquid crystal display device for providing sufficiently high contrast (1991-09-03),

14. 5041667 - Process for producing chlorophenylhydrazine compounds (1991-08-20),

15. 5032499 - Thermal light-sensitive material with combination of fog restrainers (1991-07-16),

Konishiroku Photo Industry Co., Ltd., also known as Konica, was a Japanese manufacturer of photographic equipment, including cameras, camera lenses, film, and photo processing equipment. The company was founded in 1873 and played a major role in the development of the Japanese photography industry. In 2003, Konica merged with Minolta to form Konica Minolta, a leading manufacturer of imaging products, including multifunction printers, copiers, and digital cameras.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

1,252 Patents

#85 in Tokyo

#175 in Japan

#772 in the World

Konishiroku Photo Industry Co., Ltd.

Forward Citations = 13,885

1,005 inventors:

Kaoru Onodera (63 out of 75 patents)

Shigeharu Koboshi (55 out of 104 patents)

Satoshi Haneda (51 out of 231 patents)

4. Noriyoshi Tarumi (43 out of 57 patents)

5. Takashi Sasaki (34 out of 117 patents)

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