Masazumi Onishi

Person

Toyota, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel cell gas separator, manufacturing method thereof, and fuel cell
- Patent number 6,749,959
- Issue date Jun 15, 2004
- Toyota Jidosha Kabushiki Kaisha
- Hiromichi Nakata
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for manufacturing endless metallic belt, and t...
- Patent number 6,651,299
- Issue date Nov 25, 2003
- Toyota Jidosha Kabushiki Kaisha
- Masahiko Mitsubayashi
- B24 - GRINDING POLISHING
Information Patent Grant
Endless metallic belt and manufacturing method therefor
- Patent number 6,609,403
- Issue date Aug 26, 2003
- Toyota Jidosha Kabushiki Kaisha
- Masahiko Mitsubayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Press-formed article and method for strengthening the same
- Patent number 6,059,899
- Issue date May 9, 2000
- Toyota Jidosha Kabushiki Kaisha
- Masashi Shibata
- C21 - METALLURGY OF IRON
Information Patent Grant
Multistage gear-rolling apparatus
- Patent number 5,918,495
- Issue date Jul 6, 1999
- Toyota Jidosh Kabushiki Kaisha
- Noritaka Miyamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for gear-rolling a high accuracy gear
- Patent number 5,824,168
- Issue date Oct 20, 1998
- Toyota Jidosha Kabushiki Kaisha
- Noritaka Miyamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing cast iron gear
- Patent number 5,690,756
- Issue date Nov 25, 1997
- Toyota Jidosha Kabushiki Kaisha
- Yasuyuki Fujiwara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for manufacturing a corrugated tube
- Patent number 5,522,247
- Issue date Jun 4, 1996
- Toyota Jidosha Kabushiki Kaisha
- Masahiko Mitsubayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Brightening chemical polishing solution for hardened steel article...
- Patent number 5,477,976
- Issue date Dec 26, 1995
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Kenichi Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Production process for producing hollow steel tube of high strength
- Patent number 5,405,459
- Issue date Apr 11, 1995
- Toyota Jidosha Kabushiki Kaisha
- Noritaka Miyamoto
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for manufacturing endless metallic belt, and t...
- Publication number 20020042977
- Publication date Apr 18, 2002
- Toyota Jidosha Kabushiki Kaisha
- Masahiko Mitsubayashi
- B24 - GRINDING POLISHING
Information Patent Application
Endless metallic belt and manufacturing method therefor
- Publication number 20020019283
- Publication date Feb 14, 2002
- Masahiko Mitsubayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fuel cell gas separator, manufacturing method thereof, and fuel cell
- Publication number 20010028974
- Publication date Oct 11, 2001
- Hiromichi Nakata
- H01 - BASIC ELECTRIC ELEMENTS

Masazumi Onishi

Person

Patents Grantslast 30 patents

Fuel cell gas separator, manufacturing method thereof, and fuel cell

Method and apparatus for manufacturing endless metallic belt, and t...

Endless metallic belt and manufacturing method therefor

Press-formed article and method for strengthening the same

Multistage gear-rolling apparatus

Process for gear-rolling a high accuracy gear

Method for producing cast iron gear

Method and apparatus for manufacturing a corrugated tube

Brightening chemical polishing solution for hardened steel article...

Production process for producing hollow steel tube of high strength

Patents Applicationslast 30 patents

Method and apparatus for manufacturing endless metallic belt, and t...

Endless metallic belt and manufacturing method therefor

Fuel cell gas separator, manufacturing method thereof, and fuel cell