P

Inventor

IIJIMA SUMIO

JP36 patents
⚠️ This page may combine multiple inventors who share the name “IIJIMA SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

13 patents
US6203864B1Mar 20, 2001

Method of forming a heterojunction of a carbon nanotube and a different material, method of working a filament of a nanotube

NEC CORP176 citations99
US5747161AMay 5, 1998

Graphite filaments having tubular structure and method of forming the same

NEC CORP159 citations99
US5457343AOct 10, 1995

Carbon nanotubule enclosing a foreign material

NEC CORP168 citations99
US6331690B1Dec 18, 2001

Process for producing single-wall carbon nanotubes uniform in diameter and laser ablation apparatus used therein

NEC CORP84 citations97
US5830326ANov 3, 1998

Graphite filaments having tubular structure and method of forming the same

NEC CORP76 citations96
US7067096B2Jun 27, 2006

Carbon nanotube-carbon nanohorn complex and method for producing the same

NEC CORP22 citations91
US7209341B2Apr 24, 2007

Polarizing electrode, manufacturing method thereof, and electric double-layer capacitor

NEC CORP13 citations83
US7261941B2Aug 28, 2007

Sharp end, multi-layer carbon nano-tube radial aggregate and method of manufacturing the aggregate

NEC CORP6 citations72
US12486173B2Dec 2, 2025

Production method for thin film of aligned carbon nanotube

NEC CORP0 citations62
US6967043B2Nov 22, 2005

Method of manufacturing the densely fitted multi-layer carbon nano-tube

NEC CORP2 citations61
US7501024B2Mar 10, 2009

Carbon nanohorn producing device and carbon nanohorn producing method

NEC CORP5 citations60
US12415729B2Sep 16, 2025

Carbon nanotube separation method and separation apparatus

NEC CORP0 citations52
US7537786B2May 26, 2009

Complex of drug-carbon nanohorn and a process for producing the complex

NEC CORP1 citations48

HATA KENJI

5 patents

YUGE RYOTA

4 patents

NAT INST OF ADVANCED IND SCIEN

3 patents

JAPAN SCIENCE & TECH AGENCY

3 patents

SII NANOTECHNOLOGY INC

1 patent

JAPAN FOUND CANCER

1 patent

JAPAN SCIENCE & TECH CORP

1 patent

IIJIMA SUMIO

1 patent

HASEGAWA MASATAKA

1 patent

KOGA YOSHINORI

1 patent

TOUHARA HIDEKAZU

1 patent

AZAMI TAKESHI

1 patent