Inventor

UTSUGI KATSUMI

JP6 patents

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

HOYA CORP

3 patents

US6499316B2Dec 31, 2002

Method of producing a glass gob, method of producing a glass molded product, and apparatus for producing a glass gob

HOYA CORP2 citations59

US7328594B2Feb 12, 2008

Processes for the production of glass article

HOYA CORP1 citations49

US7127917B2Oct 31, 2006

Method of manufacturing molded glass objects, method of manufacturing press molded articles, and method of manufacturing glass optical elements

HOYA CORP0 citations47

NIPPON OILS & FATS CO LTD

1 patent

US4598106AJul 1, 1986

Pressure-resistant buoyancy material

NIPPON OILS & FATS CO LTD25 citations78

YOSHIDA MASAHIRO

1 patent

US8181486B2May 22, 2012

Methods for manufacturing performs for press molding and method for manufacturing optical elements

YOSHIDA MASAHIRO4 citations59

IGUCHI YOSHINORI

1 patent

US8091387B2Jan 10, 2012

Method of manufacturing glass articles, method of manufacturing glass gobs, and method of manufacturing optical elements

IGUCHI YOSHINORI3 citations54