Inventor · disambiguated record
Hiromitsu Naka
Also filed as: KAWASE HIDETOSHI · NAKA HIROMITSU
32 granted patents·735 citations·filing 1974–1990
98Inventor score
Files withHIROMITSU NAKA16NAKA TECH LAB12KK NAKA GIJUTSU KENKYUSHO2NAKA HIROMITSU1NAKA TECHNICAL LAB1
Top patents by PatentIndex Score
32 records- 0194US4058942AFlexible non-skid strip with fluorescent surface portionsHIROMITSU NAKA·Filed 1976·Granted Nov 22, 1977·68 cites·3 claims
- 0286US4060947AFlexible non-skid strip with reinforcing web memberHIROMITSU NAKA·Filed 1976·Granted Dec 6, 1977·46 cites·6 claims
- 0384US4220316ATop rail for use on railing constructionNAKA TECH LAB·Filed 1978·Granted Sep 2, 1980·54 cites·10 claims
- 0483US4321294AStair matHIROMITSU NAKA·Filed 1979·Granted Mar 23, 1982·33 cites·4 claims
- 0582US3999627AEmergency escapeHIROMITSU NAKA·Filed 1975·Granted Dec 28, 1976·39 cites·14 claims
- 0680US4321293AStair matHIROMITSU NAKA·Filed 1979·Granted Mar 23, 1982·28 cites·4 claims
- 0779US3975870AFloor hatchHIROMITSU NAKA·Filed 1974·Granted Aug 24, 1976·34 cites·5 claims
- 0872US4455797AStair nosingNAKA TECH LAB·Filed 1981·Granted Jun 26, 1984·38 cites·4 claims
- 0971US4151320AFlexible non-skid strip with upwardly projecting portion for stair edgeHIROMITSU NAKA·Filed 1977·Granted Apr 24, 1979·27 cites·3 claims
- 1071US4093499AApparatus for producing flexible non-skid stripHIROMITSU NAKA·Filed 1976·Granted Jun 6, 1978·26 cites·3 claims
- 1169US4593493AAccess doorNAKA TECH LAB·Filed 1984·Granted Jun 10, 1986·29 cites·4 claims
- 1269US4443973AAccess door and framing apparatus for the access door's frameworkNAKA TECH LAB·Filed 1981·Granted Apr 24, 1984·30 cites·22 claims
- 1369US4236601ATurning type emergency escapeHIROMITSU NAKA·Filed 1978·Granted Dec 2, 1980·24 cites·8 claims
- 1468US4139972AAnchoring deviceHIROMITSU NAKA·Filed 1977·Granted Feb 20, 1979·29 cites·10 claims
- 1565US4602766ATop rail of a handrailNAKA TECH LAB·Filed 1981·Granted Jul 29, 1986·17 cites·7 claims
- 1663US4619086ACeiling constructionNAKA TECH LAB·Filed 1983·Granted Oct 28, 1986·25 cites·5 claims
- 1761USD273994SAccess doorKK NAKA GIJUTSU KENKYUSHO·Filed 1982·Granted May 22, 1984·8 cites·1 claims
- 1856US4646490ATop rail for use with handrailsNAKA TECH LAB·Filed 1983·Granted Mar 3, 1987·20 cites·3 claims
- 1956US4318951AStair matHIROMITSU NAKA·Filed 1979·Granted Mar 9, 1982·21 cites·2 claims
- 2055US4244443ADrawer type emergency escapeNAKA TECH LAB·Filed 1979·Granted Jan 13, 1981·15 cites·17 claims
- 2155US4079812AMovable shelter floor type emergency escapeHIROMITSU NAKA·Filed 1976·Granted Mar 21, 1978·14 cites·14 claims
- 2254US4240521ADrawer type emergency escapeNAKA TECH LAB·Filed 1979·Granted Dec 23, 1980·14 cites·19 claims
- 2350US4077825AMethod of producing a flexible non-skid stripHIROMITSU NAKA·Filed 1976·Granted Mar 7, 1978·12 cites·5 claims
- 2448USD283548SAccess doorNAKA HIROMITSU·Filed 1983·Granted Apr 22, 1986·5 cites·1 claims
- 2548US3973677AClothes drying deviceHIROMITSU NAKA·Filed 1974·Granted Aug 10, 1976·9 cites·4 claims
- 2647US4098024AAccess doorHIROMITSU NAKA·Filed 1976·Granted Jul 4, 1978·11 cites·11 claims
- 2746US4103948AAnchoring deviceHIROMITSU NAKA·Filed 1976·Granted Aug 1, 1978·12 cites·9 claims
- 2845US4566233ACeiling constructionNAKA TECH LAB·Filed 1983·Granted Jan 28, 1986·12 cites·6 claims
- 2945US4486987AStair nosingNAKA TECH LAB·Filed 1982·Granted Dec 11, 1984·14 cites·6 claims
- 3044US4843789ACeiling constructionNAKA TECH LAB·Filed 1983·Granted Jul 4, 1989·11 cites·3 claims
- 3135USD273995SAccess doorKK NAKA GIJUTSU KENKYUSHO·Filed 1982·Granted May 22, 1984·1 cites·1 claims
- 3228US5025891AEscape for a buildingNAKA TECHNICAL LAB·Filed 1990·Granted Jun 25, 1991·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →