Tokyo
Japan
15
2026-02-26
The entities that hold a legal rights for patent applications filed by inventor Maruyama Akio:
Akio Maruyama from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS
#2 | 2025-10-09INK, INK CARTRIDGE, AND INK JET RECORDING METHOD
#3 | 2023-07-20ION-SELECTIVE MEMBRANE, ION-SELECTIVE ELECTRODE, ION SENSOR, SPECIMEN TESTING DEVICE, AND COMPLEX COMPOUND
#4 | 2022-06-02EXTERNAL ADDITIVE PARTICLES, TONER, AND METHOD FOR PRODUCING EXTERNAL ADDITIVE PARTICLES
#5 | 2022-04-28EXTERNAL ADDITIVE PARTICLE AND TONER
#6 | 2009-07-02PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
#7 | 2008-05-29Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member
#8 | 2008-05-29Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
#9 | 2008-04-24PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
#10 | 2008-01-24Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
#11 | 2007-12-06Process for producing electrophotographic photosensitive member
#12 | 2007-11-01Image forming method, and electrophotographic apparatus making use of the image forming method
#13 | 2007-08-02Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
#14 | 2006-01-26Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
#15 | 2006-01-12Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus
3980028 ⎘