Inventor

Yutaka Tokiwa

Inventor

Tsuchiura, JP

Overview

17→

Patents

1992–2013

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds18%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

C08JWorking-up12%

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

C12NMicroorganisms or enzymes8%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms8%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%

C07HSugars4%

A61KPreparations for medical, dental or toiletry purposes2%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

PatentTitleYear

8,406,368'Burn-up profile measuring method, burn-up profile measuring apparatus, radiation signal distribution measuring apparatus, and burn-up profile measuring program'2013 7,754,864'Tyrosinase activity controlling agent, process for producing the same and external preparation containing the same'2010 7,235,398'Method for degrading polylactide resins'2007 6,987,138'Biodegradable polylactide resin composition'2006 6,669,771'Biodegradable resin compositions'2003 6,066,492'Microorganism capable of degrading polylactic acid resin and method of degrading polylactic acid resin using said microorganism'2000 5,925,556'Method of degrading polylactic acid resin using staphylococcus hominis and staphylococcus epidermidis'1999 5,859,217'Process for producing polymerization sugar esters'1999 5,854,058'Method of decomposing hard type rubber products'1998 5,674,740'Enzymatic decomposition of polycarbonate resin'1997 5,401,778'Biodegradable plastic composition and biodegradable plastic shaped body'1995 5,256,711'Starch-containing biodegradable plastic and method of producing same'1993 5,225,490'Biodisintegrable thermoplastic resin moldings and a process for producing same'1993 5,206,087'Biodecomposable or biodisintegrable moldable material'1993 5,124,371'Biodegradable plastic composition, biodegradable plastic shaped body and method of producing same'1992 5,116,880'Biodisintegrable thermoplastic resin foam and a process for producing same'1992 5,110,838'Biodisintegrable thermoplastic resin foam and a process for producing same'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2000Patents assigned to AGENCY IND SCIENCE TECHN (12)· patent assignee history

1992–1993Patents assigned to JSP CORP (4)· patent assignee history

1992–2000Based in Tsuchiura, JP· patent location history

1993Patents assigned to CHUO KAGAKU KK (2)· patent assignee history

1995–2010Based in Tsukuba, JP· patent location history

1998–2006Based in Ibaraki, JP· patent location history

1999–2000Patents assigned to SHIMADZU CORP (2)· patent assignee history

2003–2010Patents assigned to NAT INST OF ADVANCED IND SCIEN (4)· patent assignee history

2007Based in Ibaraki-shi, JP· patent location history

2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AGENCY IND SCIENCE TECHN	12	1992–2000
JSP CORP	4	1992–1993
NAT INST OF ADVANCED IND SCIEN	4	2003–2010
CHUO KAGAKU KK	2	1993
SHIMADZU CORP	2	1999–2000

Locations

Location	Patents	Span
Tsuchiura, JP	10	1992–2000
Tsukuba, JP	3	1995–2010
Ibaraki, JP	2	1998–2006
Tokyo, JP	1	2013
Ibaraki-shi, JP	1	2007