HI

Hiroyuki Iwasaki

NI Nikon: 47 patents #48 of 2,493Top 2%
Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
NI Ngk Insulators: 6 patents #500 of 2,083Top 25%
SO Sony: 4 patents #8,966 of 25,231Top 40%
FU Fujifilm: 3 patents #1,989 of 4,519Top 45%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
NE Nec: 2 patents #5,510 of 14,502Top 40%
KE Keihin: 2 patents #128 of 596Top 25%
TO Tonen: 2 patents #77 of 264Top 30%
FC Fuji Photo Optical Co.: 1 patents #305 of 509Top 60%
TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
TK Tonengeneral Sekiyu K.K.: 1 patents #6 of 32Top 20%
Overall (All Time): #15,369 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 26–50 of 97 patents

Patent #TitleCo-InventorsDate
6783875 Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members Hirotake Yamada, Yuji Katsuda, Tsuneaki Ohashi, Masaaki Masuda, Masashi Harada +1 more 2004-08-31
6641311 Camera, and method of opening and closing a lens Koji Yoshida 2003-11-04
6564014 Flash control device Hiroshi Takeuchi 2003-05-13
6560412 Electronic flash controlling device 2003-05-06
6393218 Camera Yukitaka Takeshita, Yoji Naka 2002-05-21
6278843 Optical instrument equipped with zoom lens Yukitaka Takeshits 2001-08-21
6272292 Electronic flash control apparatus Keiji Osawa 2001-08-07
6195211 Zoom lens device with zooming position detector 2001-02-27
6176256 Gas pressure-reducing valve Yoji Nakajima, Kazuki Ishikawa, Yoshio Saito, Nobuo Arai, Hiroyuki Goto +1 more 2001-01-23
6155290 Gas pressure-reducing valve Yoji Nakajima, Kazuki Ishikawa, Yoshio Saito 2000-12-05
6154612 Electronic flash control device 2000-11-28
6104549 Zoom lens device with zooming position detector 2000-08-15
6096693 Zinc-molybdenum-based dithiocarbamate derivative, method of producing the same, and lubricant composition containing the same Hiroshi Nakanishi, Katsuya Koganei 2000-08-01
5987265 Photometry device of camera 1999-11-16
5963252 Photometry device that detects and compensates for an inversion abnormality 1999-10-05
5926322 Zoom lens device with zooming position detector 1999-07-20
5887204 Camera photometry device 1999-03-23
5819120 Variable focus lens device in camera Hisashi Hamada, Tsutomu Tanaka, Tokuji Sato 1998-10-06
5790903 Zoom lens device Hiroshi Tsuchitani 1998-08-04
5777671 Solid state imager having high frequency transfer mode Yasuhito Maki, Tetsuro Goto, Tadao Takagi 1998-07-07
5771411 Photometry device and method 1998-06-23
5768540 Photometric apparatus 1998-06-16
5758201 Camera having line of sight detecting device Toshimi Watanabe, Isao Kishikawa, Yosuke Kusaka, Shigemasa Sato, Masao Owashi +3 more 1998-05-26
5749001 Camera photometry device 1998-05-05
5749002 Chromatic balancer for flash cameras 1998-05-05