Inventor
SAKAMOTO JUN-ICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO JUN-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SEIKA CHEMICALS
4 patentsUS5932731AAug 3, 1999
Process for preparing aromatic or heteroaromatic sulfur compound
SUMITOMO SEIKA CHEMICALS19 citations91
US5741933AApr 21, 1998
Process for preparing aromatic or heteroaromatic sulfur compound
SUMITOMO SEIKA CHEMICALS4 citations61
US5811571ASep 22, 1998
Process for preparing aromatic or heteroaromatic sulfonyl halides
SUMITOMO SEIKA CHEMICALS5 citations60
US9862656B2Jan 9, 2018
Method for producing paraffins
SUMITOMO SEIKA CHEMICALS1 citations50
CANON KK
3 patentsUS11180832B2Nov 23, 2021
Magnesium-lithium alloy member, manufacturing method thereof, optical apparatus, imaging apparatus, electronic apparatus and mobile object
CANON KK2 citations71
US7929209B2Apr 19, 2011
Optical element and method of manufacturing optical element with each of first and second layers having a repetition structure
CANON KK3 citations62
US12134807B2Nov 5, 2024
Magnesium-lithium alloy member, manufacturing method thereof, optical apparatus, imaging apparatus, electronic apparatus and mobile object
CANON KK0 citations61