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Haruo Ishii

This inventor holds 14 USPTO granted patents, plus 3 CIPO patents. Top assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Asahi Kogaku Kogyo K.k., Asahi Kogaku Kogyo Kaisha. Active years: 1980-1997.

USPTO Granted Patents = 14

% Patents Active = 100.0

CIPO Patents = 3

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 264(Granted Patents)

Location History:

Wako, JP (1980 - 1982)
Tokyo, JP (1990 - 1997)

Company Filing History:

12 out of 3,132

Asahi Kogaku Kogyo Kabushiki Kaisha

patents

1 out of 176

Asahi Kogaku Kogyo K.k.

patents

1 out of 7

Asahi Kogaku Kogyo Kaisha

patents

Years Active: 1980-1997

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5673099 - Lens shutter camera including zoom lens (1997-09-30),

2. 5583596 - Lens shutter camera including zoom lens (1996-12-10),

3. 5276475 - Lens shutter camera including zoom lens (1994-01-04),

4. 5264885 - Lens shutter camera including zoom lens (1993-11-23),

5. 5157429 - Lens shutter camera including zoom lens (1992-10-20),

6. 5150145 - Lens shutter camera including zoom lens (1992-09-22),

7. 5142315 - Lens shutter type of camera including zoom lens (1992-08-25),

8. 5130730 - Barrier mechanism of camera (1992-07-14),

9. 5012273 - Lens shutter type of camera including zoom lens (1991-04-30),

10. 4989027 - Barrier mechanism of camera (1991-01-29),

11. 4944030 - Lens shutter camera including zoom lens (1990-07-24),

12. 4362374 - Focal plane shutter winding mechanism (1982-12-07),

13. 4298264 - Single-pivot type focal-plane shutter drum mechanism (1981-11-03),

14. 4195925 - Diaphragm-operating device for use in an interchangeable-lens type camera (1980-04-01),

Title: Haruo Ishii - Innovator in Lens Shutter Camera Technology

Introduction

Haruo Ishii is a prominent inventor based in Tokyo, Japan, known for his significant contributions to camera technology. With a total of 14 patents to his name, Ishii has made remarkable advancements in the field of photography, particularly in lens shutter mechanisms.

Latest Patents

One of Ishii's latest patents is a lens shutter camera that incorporates a zoom lens. This innovative design features a lens block with a sector gear and a rotatable cam ring, allowing for smooth operation. The zoom lens can transition between extreme telephoto and wide-angle positions, as well as a fully collapsed position and a macro mode for close-up photography. The camera's macro mode includes a prism to correct parallax, a movable strobe assembly, and a light intercepting assembly to enhance photographic quality. This patent exemplifies Ishii's commitment to improving user experience and functionality in camera design.

Career Highlights

Throughout his career, Haruo Ishii has worked with notable companies such as Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Kogaku Kogyo K.K. His work in these organizations has allowed him to develop and refine his innovative ideas in camera technology.

Collaborations

Ishii has collaborated with talented individuals in the field, including Shinsuke Kohmoto and Susao Nakamura. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Haruo Ishii's contributions to lens shutter camera technology have significantly impacted the photography industry. His innovative designs and collaborative efforts continue to inspire advancements in camera technology.

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