Inventor
TAKEUCHI KOHJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI KOHJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
6 patentsUS11681195B2Jun 20, 2023
Laminated structure, multiple laminated structure, lens, and method for producing laminated structure
RICOH CO LTD0 citations62
US11495856B2Nov 8, 2022
Glasses-type device and charger for glasses-type device
RICOH CO LTD1 citations62
US11221533B2Jan 11, 2022
Electrochromic device
RICOH CO LTD1 citations62
US8039405B2Oct 18, 2011
Conductive oxide-deposited substrate and method for producing the same, and MIS laminated structure and method for producing the same
RICOH CO LTD2 citations60
US11833800B2Dec 5, 2023
Method and apparatus for forming three-dimensional curved surface on laminated substrate, and three-dimensional curved laminated substrate
RICOH CO LTD0 citations52
US11474408B2Oct 18, 2022
Electronic device, method for producing electronic device, and photochromatic lens unit
RICOH CO LTD0 citations51
RICOH KK
4 patentsUS7126897B2Oct 24, 2006
Multi-level information recording apparatus, multi-level information recording method, multi-level information recording medium and multi-level information recording-reproducing apparatus
RICOH KK25 citations92
US7733750B2Jun 8, 2010
Information recording method for recording multi-value data in optimum recording condition
RICOH KK4 citations61
US7688695B2Mar 30, 2010
Method of writing multi-level data using adjusted recording waveform
RICOH KK0 citations51
US7751294B2Jul 6, 2010
Information recording method, information recording apparatus, optical disk, program and computer readable recording medium
RICOH KK0 citations38