Inventor

Wataru Ohtani

Inventor

Sagamihara, JP

Overview

5→

Patents

1997–2007

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B25Bprimary

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding13%

C23CCoating metallic material13%

G11BInformation storage based on relative movement between record carrier and transducer13%

Y02TClimate change mitigation technologies related to transportation13%

B29CShaping or joining of plastics6%

B29DProducing particular articles from plastics or from substances in a plastic state6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%

G02BOptical elements, systems or apparatus6%

G03GElectrography6%

PatentTitleYear

7,273,534'Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical disk'2007 6,841,049'OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUBSTRATE FILM-FORMATION METHOD, SUBSTRATE HOLDER MANUFACTURE METHOD, SUBSTRATE HOLDER, OPTICAL DISK AND A PHASE-CHANGE RECORDING TYPE OF OPTICAL DISK'2005 6,097,914'Image bearing member and method of manufacturing the member and image forming apparatus using the member'2000 5,739,602'Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion'1998 5,603,871'Method for manufacturing molded resin product and plastic mirror'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2007Patents assigned to RICOH KK (5)· patent assignee history

1997–2000Based in Sagamihara, JP· patent location history

2005–2007Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	5	1997–2007

Locations

Location	Patents	Span
Sagamihara, JP	3	1997–2000
Kanagawa, JP	2	2005–2007