PERFECT FILM & CHEM CORP has a total of 17 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Switzerland and Germany. Its main competitors in its focus markets optics, semiconductors and electrical machinery and energy are EDWARD GEORGE TURNER, BRONICA CO LTD and IZON.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Switzerland | 3 | |
#3 | Germany | 2 | |
#4 | France | 2 | |
#5 | Spain | 1 | |
#6 | Greece | 1 | |
#7 | Israel | 1 | |
#8 | Iceland | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Semiconductors | |
#3 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Cameras | |
#2 | Semiconductor devices | |
#3 | Special electric heating or lighting |
# | Name | Total Patents |
---|---|---|
#1 | Ackerman Martin S | 4 |
#2 | Jones Richard B | 2 |
#3 | Martin S Ackermann | 2 |
#4 | S Ackermann Martin | 1 |
#5 | Martin S Ackerman | 1 |
#6 | S Ackerman Martin | 1 |
#7 | Hardy G | 1 |
#8 | Ackerman M | 1 |
Publication | Filing date | Title |
---|---|---|
US3763752A | Camera with built-in stroboscopic flash | |
US3631783A | Cassette camera | |
US3603232A | Cassette camera | |
US3559549A | Rechargeable flash attachment | |
FR1540162A | Control mechanism for a rechargeable strobe flash light device, as well as a camera provided with said mechanism | |
FR1535392A | Rechargeable strobe flash device for a photographic camera incorporating a flash lamp or flash cube circuit | |
US3559548A | Time-delay means for rechargeable stroboscopic flash attachment | |
US3364829A | Rechargeable stroboscopic flash attachment |