Inventor · disambiguated record
Kazuyoshi Chizuka
Also filed as: CHIZUKA KAZUYOSHI
17 granted patents·1 pending application·615 citations·filing 1998–2006
95Inventor score
Top patents by PatentIndex Score
18 records- 0194US6302487B1Seat having a three-dimensional netDELTA TOOLING CO LTD·Filed 2000·Granted Oct 16, 2001·99 cites·5 claims
- 0291US6489000B1Cushion having a three-dimensional netDELTA TOOLING CO LTD·Filed 2000·Granted Dec 3, 2002·75 cites·21 claims
- 0388US6315364B1Cushion and seat each having net-like skinDELTA TOOLING CO LTD·Filed 1998·Granted Nov 13, 2001·95 cites·19 claims
- 0487US6921132B2Seat structureDELTA TOOLING CO LTD·Filed 2004·Granted Jul 26, 2005·34 cites·15 claims
- 0582US7104607B2SeatDELTA TOOLING CO LTD·Filed 2004·Granted Sep 12, 2006·45 cites·6 claims
- 0677US7025423B2Seat structureDELTA TOOLING CO LTD·Filed 2003·Granted Apr 11, 2006·36 cites·5 claims
- 0776US7731294B2SeatTOYOTA CHUO KENKYUSHO KK·Filed 2003·Granted Jun 8, 2010·35 cites·21 claims
- 0876US6336627B1Suspension unit having a magneto-springDELTA TOOLING CO LTD·Filed 2000·Granted Jan 8, 2002·30 cites·7 claims
- 0974US6485103B1Structural unit having net member incorporated therein, seat and method for treating end section of net memberDELTA TOOLING CO LTD·Filed 2000·Granted Nov 26, 2002·30 cites·8 claims
- 1074US6366190B1Magneto-spring structureDELTA TOOLING CO LTD·Filed 2000·Granted Apr 2, 2002·17 cites·5 claims
- 1169US7303229B2Seat constructionDELTA TOOLING CO LTD·Filed 2003·Granted Dec 4, 2007·25 cites·16 claims
- 1264US7044551B2Seat structureDELTA TOOLING CO LTD·Filed 2004·Granted May 16, 2006·22 cites·12 claims
- 1359US6817674B2Seat structureDELTA TOOLING CO LTD·Filed 2002·Granted Nov 16, 2004·19 cites·17 claims
- 1457US7845733B2SeatDELTA TOOLING CO LTD·Filed 2006·Granted Dec 7, 2010·5 cites·18 claims
- 1557US6241059B1Vibration isolator having magnetic springsDELTA TOOLING CO LTD·Filed 1999·Granted Jun 5, 2001·31 cites·6 claims
- 1654US6084329AVibration mechanism having a magnetic springDELTA TOOLING CO LTD·Filed 1998·Granted Jul 4, 2000·15 cites·2 claims
- 1750US8052214B2Seat structureDELTA TOOLING CO LTD·Filed 2006·Granted Nov 8, 2011·2 cites·11 claims
- 1835US2002096932A1Vehicle seatFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kazuyoshi Chizuka 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 →