MK

Masahiro Kawasaki

PE Pentax: 77 patents #4 of 761Top 1%
HI Hitachi: 17 patents #2,231 of 28,497Top 8%
PE Pentax: 8 patents #58 of 396Top 15%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
HC Hitachi Industrial Equipment Systems Co.: 4 patents #117 of 550Top 25%
ML Mitsubishi Paper Mills Limited: 2 patents #171 of 458Top 40%
AK Asahi Kogaku Kabushiki Kaisha: 2 patents #2 of 73Top 3%
NC Nippon Polyurethane Industry Co.: 2 patents #12 of 76Top 20%
PC Pentax Ricoh Imaging Company: 1 patents #41 of 74Top 60%
TC Thk Co.: 1 patents #245 of 450Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
JE Jeol: 1 patents #309 of 669Top 50%
JU Jeol Usa: 1 patents #3 of 12Top 25%
JG Jgc: 1 patents #137 of 393Top 35%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
KC Kureha Gohsen Co.: 1 patents #6 of 18Top 35%
NC National Research Council Of Canada: 1 patents #547 of 1,315Top 45%
📍 Kawasaki, MA: #1 of 18 inventorsTop 6%
Overall (All Time): #7,759 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 76–100 of 135 patents

Patent #TitleCo-InventorsDate
5396306 Power lens and camera system Hiroyuki Takahashi, Yoshinari Tanimura 1995-03-07
5367354 Motor driven lens and camera system Hiroyuki Takahashi, Yoshinari Tanimura 1994-11-22
5365350 Data communication method between circuits Teruhiko Naruo, Yutaka Ohsawa, Isamu Hashimoto 1994-11-15
5363165 Power zoom lens and camera system Hiroyuki Takahashi, Yoshinari Tanimura 1994-11-08
5355192 Automatic focusing apparatus Hiroyuki Takahashi, Shigeru Iwamoto 1994-10-11
5349409 Photographing lens Hiroyuki Takahashi, Shigeru Iwamoto 1994-09-20
5331367 Camera system having power zoom lens Hiroyuki Takahashi, Yoshinari Tanimura 1994-07-19
5315345 Power zoom lens and camera system having same Hiroyuki Takahashi, Yoshinari Tanimura 1994-05-24
5305044 Autofocusing system for a camera Noboru Suzuki, Shigeo Toji 1994-04-19
5283663 Data communication method between circuits Teruhiko Naruo, Yutaka Ohsawa, Isamu Hashimoto 1994-02-01
5283607 Automatic lens control system Noboru Suzuki, Shigeo Toji 1994-02-01
5274416 Photographing lens Hiroyuki Takahashi, Shigeru Iwamoto 1993-12-28
5255043 Apparatus for maintaining constant image magnification in a camera system 1993-10-19
5255046 Camera system Hiroyuki Takahasi, Shigeru Iwamoto 1993-10-19
5227832 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1993-07-13
5223877 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1993-06-29
5182591 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1993-01-26
5181061 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1993-01-19
5170203 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1992-12-08
5170200 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1992-12-08
5166717 Camera system Hiroyuki Takahashi, Shigeru Iwamoto 1992-11-24
5159377 Image magnification control device for a camera Noboru Suzuki, Shigeo Toji 1992-10-27
5157434 Autofocusing system for camera Noboru Suzuki, Shigeo Toji 1992-10-20
5093680 Image magnification control device for a camera Noboru Suzuki, Shigeo Toji 1992-03-03
5068680 Rear converter for interchangeable lens camera Osamu Sato 1991-11-26