HT

Hisashi Tasaka

Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
FU Fujifilm: 3 patents #1,989 of 4,519Top 45%
NC Nidec Copal: 2 patents #55 of 172Top 35%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #308,882 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12346006 Camera Tomihiro Wakayama 2025-07-01
11921405 Camera Tomihiro Wakayama, Yuichi Ozawa, Yoshiki Murayama, Takehisa Kirihara 2024-03-05
6469844 Lens holding method and lens holder Kazuhito Iwase 2002-10-22
6449430 Lens-fitted photo film unit and assembling method for the same Nobuyuki Kameyama, Shozo Kondo 2002-09-10
6434336 Data-imprinting apparatus for a lens-equipped film unit Masaaki Handa, Shinsuke Ito, Yukitsugu Hata 2002-08-13
6243536 Lens-fitted photo film unit with data recording device Mitsuhiro Moriya 2001-06-05
6160963 Frame counter device Nobuyuki Kameyama, Makoto Isozaki, Kazumi Koike, Masanori Ishiguro 2000-12-12
6116886 Part molding method for manufacture of lens-fitted photo film unit 2000-09-12
5978608 Lens-fitted film unit having a shutter mechanism adapted for data recording Nobuyuki Kameyama 1999-11-02
5565945 Lens-fitted photographic film unit with film winding motor Manabu Tobise, Hirokazu Yokoo, Junichi Takagi 1996-10-15
5565943 Lens-fitted photo film unit Katsuji Muramatsu, Yuji Mikami 1996-10-15
5506643 Lens-fitted photographic flim unit and exposure aperture size changing device therefor Nobuyuki Kameyama, Kazuo Okoyama, Mitsuyoshi Mochida 1996-04-09
5410378 Lens-fitted photographic film unit with flash device Hidefumi Obo, Takashi Kubo, Kazuo Kamata 1995-04-25
5337099 Lens-fitted photographic film unit with flash device and battery-insulating wrapper Hidefumi Obo, Takashi Kubo, Kazuo Kamata 1994-08-09
5285894 Waterproof casing Kazuo Kamata, Takashi Kubo, Takaji Kono 1994-02-15