Inventor
SAKURAI AKIRA
JP66 patents
⚠️ This page may combine multiple inventors who share the name “SAKURAI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAO CORP
20 patentsUS4721647AJan 26, 1988
Absorbent article
KAO CORP149 citations99
US4666975AMay 19, 1987
Absorptive material
KAO CORP81 citations96
US4411647AOct 25, 1983
Tampon applicator
KAO CORP56 citations96
US4654038AMar 31, 1987
Sanitary napkin
KAO CORP30 citations93
US4519799AMay 28, 1985
Sanitary napkin
KAO CORP37 citations93
US4273125AJun 16, 1981
Tampon
KAO CORP30 citations93
US4850991AJul 25, 1989
Absorbent article
KAO CORP39 citations92
US4804378AFeb 14, 1989
Absorbent article
KAO CORP50 citations92
US4269187AMay 26, 1981
Tampon
KAO CORP29 citations92
US5201727AApr 13, 1993
Absorbent article
KAO CORP55 citations91
US5133705AJul 28, 1992
Sanitary napkin
KAO CORP51 citations91
US5069677ADec 3, 1991
Absorbent article
KAO CORP22 citations91
US4798601AJan 17, 1989
Sanitary napkin
KAO CORP37 citations91
US4755179AJul 5, 1988
Absorbent article
KAO CORP19 citations82
US4842595AJun 27, 1989
Absorbent article
KAO CORP11 citations74
US4773904ASep 27, 1988
Absorbent article
KAO CORP16 citations74
US4362159ADec 7, 1982
Tampon
KAO CORP15 citations74
US4329991AMay 18, 1982
Tampon
KAO CORP12 citations74
US4137196AJan 30, 1979
Gelatinous fragrance-imparting composition containing stabilized perfume
KAO CORP12 citations74
US4155742AMay 22, 1979
Water-soluble binder
KAO CORP8 citations71
RICOH KK
7 patentsUS6975663B2Dec 13, 2005
Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diode
RICOH KK88 citations97
US4533959AAug 6, 1985
Picture processing apparatus
RICOH KK58 citations96
US5237430AAug 17, 1993
Facsimile apparatus which stores image data in a bulk storage device
RICOH KK41 citations93
US4516262AMay 7, 1985
Character data processing apparatus
RICOH KK32 citations93
US7245647B2Jul 17, 2007
Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diode
RICOH KK28 citations92
US4757551AJul 12, 1988
Character recognition method and system capable of recognizing slant characters
RICOH KK50 citations91
US7590159B2Sep 15, 2009
Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode
RICOH KK9 citations83
ISHIKAWAJIMA HARIMA HEAVY IND
3 patentsKOBE STEEL LTD
2 patentsMASHIMO SHIGEKI
2 patentsSEMICONDUCTOR COMPONENTS IND LLC
2 patentsMITSUBISHI MATERIALS CORP
2 patentsUS12550731B2Feb 10, 2026
Copper/ceramic assembly, insulating circuit substrate, production method for copper/ceramic assembly, and production method for insulating circuit substrate
MITSUBISHI MATERIALS CORP0 citations63
US12089342B2Sep 10, 2024
Insulated circuit board
MITSUBISHI MATERIALS CORP0 citations63
NIPPON TELEGRAPH & TELEPHONE
2 patentsUNIV KYUSHU
1 patentKYUSHU TLO CO LTD
1 patentRICOH CO LTD
1 patentMURAO BOKI KK
1 patentTAKAGI KAZUO
1 patentNTT INC
1 patentFUJIKURA LTD
1 patentHONDA MOTOR CO LTD
1 patentSAKURAI AKIRA
1 patentDENKI KAGAKU KOGYO KK
1 patentShowing the top 50 of 66 patents by PatentIndex Score.