KH

Kiyoaki Hazama

KO Konica: 9 patents #255 of 1,958Top 15%
KC Konishiroku Photo Industry Co.: 3 patents #262 of 894Top 30%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Overall (All Time): #389,431 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6445885 Strobe device of lens-fitted film unit and production method of the strobe device Hiromi Nakanishi, Ken Ishida, Hiroshi Yamaguchi, Kiyoshi Kanai 2002-09-03
6389227 Lens-fitted film unit Kazuhisa Aratame, Kijiro Suzuki, Akihiko Fujiwara, Tsutomu Kako 2002-05-14
6337953 Strobe device of lens-fitted film unit and production method of the strobe device Hiromi Nakanishi, Ken Ishida, Hiroshi Yamaguchi, Kiyoshi Kanai 2002-01-08
6233403 Lens-fitted film unit with a built-in electronic flash unit and image forming method based on a photographic film exposed by the lens-fitted film unit with a built-in electronic flash unit Kazuhisa Aratame, Kijiro Suzuki, Kei Kaneiwa, Masami Fujita, Hideaki Haraga +9 more 2001-05-15
6226456 Lens-fitted film unit with built-in strobe Katsuyuki Koizumi, Masaru Yamazaki, Hiroshi Yamaguchi, Kyoichi Itoh 2001-05-01
5600395 One-time-use camera has driver for closing film cassette which cannot re-open closed cassette Edward N. Balling, Masami Fujita, Katsuyuki Koizumi 1997-02-04
5532080 Cylindrical type dry battery and battery chamber Shuri Mizoguchi, Ken Ishida, Kazuo Todo, Koujiro Yoshida 1996-07-02
5409175 Photographic film package Kazuhiro Nakanishi, Takemi Miyazaki, Yoshio Kakuta, Noriyuki Kaedeoka, Ying J. Min +3 more 1995-04-25
5394213 Easy-film-loading camera Takemi Miyazaki, Noriyuki Kaedeoka 1995-02-28
5357300 Lens holding device capable of adjusting lens position Toshio Yanagi, Masayoshi Era 1994-10-18
4545661 Folding camera with movable member mounting an objective lens and reflex mirror Takehiko Hamaguchi, Kenichi Iwaida, Takeyoshi Iguchi 1985-10-08
4365881 Photographic camera with timepiece Kazuo Shiozawa, Koichi Matsumoto 1982-12-28
4223992 Release device in a camera equipped with self-cocking mechanism Susumu Takeda, Nobuo Ichitsuka 1980-09-23