Tech01 - Brooch "Kenzo Tange" (Pipe Jewelry, 1995)
Tech02 - Variable Jewel Osaka (Pipe Jewelry)
Tech03 (Pipe Jewelry, 2000)
Tech04 - "2 in 1" (Pipe Jewelry, 3 Open Rings, 2001)
Tech05 (Lamellar Jewelry, 2000)
Tech06 - Ergonomic Ring "Speed" (Lamellar Jewelry, 2001)
Tech07 - Kinetic Brooch "The Wing" (Lamellar Jewelry, 2000)
Tech08 - Puristic Ring "The Spring" (Lamellar Jewelry, 3 Open Rings, 1999)
Tech09 (Lamellar Jewelry, 2000)
Tech10 (Opal Ring, 2000)
Tech11 (Opal Ring, 2000)
Tech12 (Opal Ring, 3 Open Rings, 2000)
Tech13 - Eco Land Identificational Brooch (Identificational Jewel, 1998)
Tech14 - Cultural Identity (Identificational Jewel)
Tech15 (Variable Jewel, 1995-96)
Tech16 - "3 in 1" (Variable Jewel, 1994)
Tech17 - Quadraspace Puzzle Ring (1995-98)
Tech18 - Labyrinth Toy Ring (1994)
Tech19 (1994)
Tech20 (1994)
Tech21 (2001) Tech22 - "Flacon Spiral" (1998) Tech23 (2000) Tech24 - "Kate Ring"
Tech25 - "Wedding Rings" (2001)
 Tech26 (Black Pearl) Tech27 (Black Pearls) Tech28 (2001)