Inventor

Nobuyuki Koyama

Inventor

Tokyo, JP

Overview

7→

Patents

1976–2004

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary

B41JTypewriters12%

C07KPeptides12%

C12NMicroorganisms or enzymes12%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

A24CMachines for making cigars or cigarettes6%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling6%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%

B60LPropulsion of electrically-propelled vehicles6%

B60MPower supply lines, and devices along rails, for electrically- propelled vehicles6%

PatentTitleYear

6,729,720'Image forming apparatus having suction holes formed in grooves of the paper supporting surface'2004 6,550,894'Ink bottle'2003 6,287,806'Method for producing a biologically active recombinant cysteine-free peptide'2001 5,861,284'Method for producing a biologically active recombinant cysteine-free parathyroid hormone (1-34)'1999 4,053,741'System for cyclic operation of self-running objects'1977 4,029,221'Method and apparatus for feeding a cigarette tray transporting vehicle'1977 3,986,095'Apparatus for recharging a self-running vehicle for loading and/or unloading a working machine, employing as a power source a storage battery'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to JAPAN TOBACCO & SALT PUBLIC (3)· patent assignee history

1976–1977Based in Tokyo, JP· patent location history

1999–2001Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (2)· patent assignee history

1999Based in Suita, JP· patent location history

2001Based in Osaka, JP· patent location history

2003–2004Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history

2003–2004Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN TOBACCO & SALT PUBLIC	3	1976–1977
OLYMPUS OPTICAL CO	2	2003–2004
TAKEDA CHEMICAL INDUSTRIES LTD	2	1999–2001

Locations

Location	Patents	Span
Tokyo, JP	3	1976–1977
Hachioji, JP	2	2003–2004
Osaka, JP	1	2001
Suita, JP	1	1999