Inventor · disambiguated record
Kiyoshi Iwamoto
Also filed as: IWAMOTO KIYOSHI
27 granted patents·3 pending applications·256 citations·filing 1984–2025
96Inventor score
Files withTOMOEGAWA PAPER CO LTD9MITSUBISHI PENCIL CO6SAMSUNG ELECTRONICS CO LTD4MITSUBISHI PENCIL KABUSHIKIKAI2SEIKO EPSON CORP2
Top patents by PatentIndex Score
30 records- 0195US11353219B2Heating cookerSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Jun 7, 2022·3 cites·18 claims
- 0289US6350507B1Recording sheet for ink jet printerTOMOEGAWA PAPER CO LTD·Filed 1999·Granted Feb 26, 2002·57 cites·18 claims
- 0385US6815021B1Recording medium for ink jet printersSEIKO EPSON CORP·Filed 2000·Granted Nov 9, 2004·21 cites·5 claims
- 0482US6120590AWater-base ink having metallic lustrous color for ballpoint penMITSUBISHI PENCIL CO·Filed 1997·Granted Sep 19, 2000·42 cites·15 claims
- 0578US6245422B1Recording medium having gloss surface layerSEIKO EPSON CORP & TOMOEGAWA P·Filed 1997·Granted Jun 12, 2001·33 cites·14 claims
- 0674US10670277B2OvenSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Jun 2, 2020·2 cites·19 claims
- 0774US9195016B2Optical connectorSUZUKI HITOSHI·Filed 2012·Granted Nov 24, 2015·3 cites·15 claims
- 0868US2025288934A1Cooking apparatus ventilation system including oil-smoke collection filterSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 0964US11867407B2Range hoodSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Jan 9, 2024·0 cites·15 claims
- 1062US9372313B2Optical coupling member and optical connector using the same, and optical coupling member holding memberSUZUKI HITOSHI·Filed 2012·Granted Jun 21, 2016·1 cites·15 claims
- 1162US6139940AInkjet recording sheetTOMOEGAWA PAPER CO LTD·Filed 1998·Granted Oct 31, 2000·21 cites·10 claims
- 1260US9638860B2Optical coupling member and optical connector using the same, and optical coupling member holding memberMITSUBISHI PENCIL CO·Filed 2012·Granted May 2, 2017·1 cites·13 claims
- 1359US7345100B2Water-based ink composition for ball-point penMITSUBISHI PENCIL CO·Filed 2002·Granted Mar 18, 2008·4 cites·6 claims
- 1458US5958564AInk jet recording sheetTOMOEGAWA PAPER CO LTD·Filed 1996·Granted Sep 28, 1999·13 cites·15 claims
- 1556US8687929B2Optical collimator, optical connector using same and holding member for optical collimatorMORIYA NAOHIKO·Filed 2011·Granted Apr 1, 2014·1 cites·13 claims
- 1656US7279512B2Water-based ink composition for ballpoint penMITSUBISHI PENCIL CO·Filed 2002·Granted Oct 9, 2007·3 cites·2 claims
- 1755US6656544B1Ink-jet recording mediumTOMOEGAWA PAPER CO LTD·Filed 2000·Granted Dec 2, 2003·6 cites·8 claims
- 1854US11654711B2Writing tool provided with refillMITSUBISHI PENCIL CO·Filed 2019·Granted May 23, 2023·0 cites·1 claims
- 1954US6548150B1Medium for ink-jet recordingSEIKO EPSON CORP·Filed 1999·Granted Apr 15, 2003·10 cites·4 claims
- 2054US2023136359A1Thermoplastic resin composite material, thermoplastic resin composite material particle, and molded articleTOMOEGAWA CO LTD·Filed 2021·Application pending·0 cites
- 2142US4559288AElectrophotographic photoreceptorFUJI PHOTO FILM CO LTD·Filed 1984·Granted Dec 17, 1985·5 cites·9 claims
- 2239US5122411AElectrostatic recording materialTOMOEGAWA PAPER CO LTD·Filed 1990·Granted Jun 16, 1992·9 cites·7 claims
- 2337US2008124536A1Water-Resistant Image-Receiving Sheet For ElectrophographyTOMOEGAWA CO LTD·Filed 2005·Application pending·0 cites
- 2436US6455169B1Inkjet recording sheetTOMOEGAWA PAPER CO LTD·Filed 1999·Granted Sep 24, 2002·5 cites·7 claims
- 2533US6376560B1Ink follower for water-base ballpoint pens and method of manufacturing the sameMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted Apr 23, 2002·4 cites·21 claims
- 2633US6227738B1Method of manufacturing ink follower for water-base ballpoint pensMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted May 8, 2001·3 cites·38 claims
- 2732US5384180AElectrostatic recording mediumTOMOEGAWA PAPER CO LTD·Filed 1993·Granted Jan 24, 1995·3 cites·11 claims
- 2831US6391927B1Method for manufacturing ink follower for water base ballpoint pensMITSUBISHI PENCIL CO·Filed 1998·Granted May 21, 2002·3 cites·4 claims
- 2930US6565952B1Ink-jet recording sheetTOMOEGAWA PAPER CO LTD·Filed 1999·Granted May 20, 2003·1 cites·8 claims
- 3028US5234746AConductive substrate and printing media using the sameTOMOEGAWA PAPER CO LTD·Filed 1991·Granted Aug 10, 1993·2 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Iwamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →