RICOH SYSTEMS INC has a total of 14 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets optics, packaging and shipping and basic materials chemistry are DOBBERTIN MICHAEL THOMAS, ISHIDA KEI and KINOSHITA KENKYUSHO KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 3 | |
#3 | Japan | 2 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Packaging and shipping | |
#3 | Basic materials chemistry | |
#4 | Textiles and paper | |
#5 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Electrography | |
#2 | Handling thin material | |
#3 | Typewriters | |
#4 | Pigments | |
#5 | Cameras | |
#6 | Reduction of greenhouse gas emissions |
# | Name | Total Patents |
---|---|---|
#1 | Wurster Herbert K | 5 |
#2 | Mayer Edward F | 4 |
#3 | Anderson Carl P | 3 |
#4 | Kubota Tomio | 2 |
#5 | Koelling Alan L | 2 |
#6 | Murphy William J | 1 |
#7 | Haabaato Kurausu Waasutaa | 1 |
#8 | Pfeuffer Donald F | 1 |
#9 | Edowaado Efu Meiyaa | 1 |
#10 | Van Blerk Victor B | 1 |
Publication | Filing date | Title |
---|---|---|
JPS62187352A | Electrophotographic photosensitive body | |
US4710442A | Gradient layer panchromatic photoreceptor | |
US4627702A | Wide belt tracking method and apparatus | |
US4619450A | Copying apparatus with automatic bottom feeder | |
US4595933A | Ink liquid supply apparatus | |
US4580143A | Viscosity control of ink-jet inks | |
CA1252667A | Infrared sensitive photoconductor composition | |
US4572655A | Electrophotographic copying apparatus and method of use including electrostatic toner recycling procedure | |
US4481270A | Photoreceptor containing squaric acid methine dyes | |
US4500621A | Sensitive electrophotographic plates containing squaric acid methine dyes suspended in a binder | |
US4451138A | Electrophotographic copying apparatus having an automatic feed arrangement and an end-of-feed sensing assembly |